TY 2018 Form 990

- TIN:

Form990

Department of the TreasuryInternal Revenue Service

Return of Organization Exempt From Income Tax

Under section 501(c), 527, or 4947(a)(1) of the Internal Revenue Code (except private foundations)

Do not enter social security numbers on this form as it may be made public.

Go to www.irs.gov/Form990 for instructions and the latest information.

OMB No. 1545-0047

2018

Open to Public Inspection

A For the 2019 calendar year, or tax year beginning 01-01-2018 , and ending 12-31-2018

BCheck if applicable: Address change Name change Initial return Final return/terminated Amended return Application pending

CName of organization
INFECTIOUS DISEASES SOCIETY OF AMERICA

Doing business as
IDSA

Number and street (or P.O. box if mail is not delivered to street address)
1300 WILSON BLVD NO 300

Room/suite

City or town, state or province, country, and ZIP or foreign postal code
ARLINGTON, VA22209

D Employer identification number

23-7045686

E Telephone number

G Gross receipts $ 23,550,635

F Name and address of principal officer:
CHRISTOPHER BUSKY
1300 WILSON BLVD NO 300
ARLINGTON,VA22209

Tax-exempt status: 501(c)(3) 501(c) ( 6 ) LeftBullet

(insert no.) 4947(a)(1) or 527

Website:

WWW.IDSOCIETY.ORG

H(a)

Is this a group return for
subordinates? Yes No

H(b)

Are all subordinates
included?

Yes No

If "No," attach a list. (see instructions)

H(c)

Group exemption number MediumBullet

K Form of organization: Corporation Trust Association Other MediumBullet

L Year of formation: 1970

M State of legal domicile: DC

Part I

Summary

1	Briefly describe the organization’s mission or most significant activities: TO PROMOTE EXCELLENCE IN THE PREVENTION AND CARE OF INFECTIOUS DISEASES.
2	Check this box
3	Number of voting members of the governing body (Part VI, line 1a) ........	3	16
4	Number of independent voting members of the governing body (Part VI, line 1b) .....	4	16
5	Total number of individuals employed in calendar year 2018 (Part V, line 2a) ......	5	65
6	Total number of volunteers (estimate if necessary) .............	6	400
7a	Total unrelated business revenue from Part VIII, column (C), line 12 ........	7a	0
b	Net unrelated business taxable income from Form 990-T, line 34 .........	7b	59,853

		Prior Year	Current Year
8	Contributions and grants (Part VIII, line 1h) .........	1,564,584	2,013,593
9	Program service revenue (Part VIII, line 2g) .........	18,276,976	20,295,764
10	Investment income (Part VIII, column (A), lines 3, 4, and 7d ) ....	1,235,102	861,431
11	Other revenue (Part VIII, column (A), lines 5, 6d, 8c, 9c, 10c, and 11e)	405,794	379,847
12	Total revenue—add lines 8 through 11 (must equal Part VIII, column (A), line 12)	21,482,456	23,550,635
13	Grants and similar amounts paid (Part IX, column (A), lines 1–3 )...	1,311,436	1,395,396
14	Benefits paid to or for members (Part IX, column (A), line 4).....	0	0
15	Salaries, other compensation, employee benefits (Part IX, column (A), lines 5–10)	7,198,337	7,957,100
16a	Professional fundraising fees (Part IX, column (A), line 11e) .....	0	0
b	Total fundraising expenses (Part IX, column (D), line 25) 0
17	Other expenses (Part IX, column (A), lines 11a–11d, 11f–24e)....	11,894,831	13,696,796
18	Total expenses. Add lines 13–17 (must equal Part IX, column (A), line 25)	20,404,604	23,049,292
19	Revenue less expenses. Subtract line 18 from line 12.......	1,077,852	501,343
		Beginning of Current Year	End of Year
20	Total assets (Part X, line 16).............	42,236,154	40,110,545
21	Total liabilities (Part X, line 26).............	6,417,675	6,259,419
22	Net assets or fund balances. Subtract line 21 from line 20.....	35,818,479	33,851,126

Part II

Signature Block

Under penalties of perjury, I declare that I have examined this return, including accompanying schedules and statements, and to the best of my knowledge and belief, it is true, correct, and complete. Declaration of preparer (other than officer) is based on all information of which preparer has any knowledge.

Sign Here

	Signature of officer	Date

	Type or print name and title

Paid Preparer Use Only

Print/Type preparer's name

Preparer's signature

Date

Check if
self-employed

PTIN

Firm's name MediumBullet

Firm's EIN MediumBullet

Firm's address MediumBullet

Phone no.

May the IRS discuss this return with the preparer shown above? (see instructions) ..........YesNo

For Paperwork Reduction Act Notice, see the separate instructions.

Cat. No. 11282Y Form 990 (2018)

Form 990 (2018)

Page 2

Part III

Statement of Program Service Accomplishments

Check if Schedule O contains a response or note to any line in this Part III..............

Briefly describe the organization’s mission: THE SOCIETY IS A COMMUNITY OF OVER 12,000 PHYSICIANS, SCIENTISTS AND PUBLIC HEALTH EXPERTS WHO SPECIALIZE IN INFECTIOUS DISEASES. OUR PURPOSE IS TO IMPROVE THE HEALTH OF INDIVIDUALS, COMMUNITIES, AND SOCIETY BY PROMOTING EXCELLENCE IN PATIENT CARE, EDUCATION, RESEARCH, PUBLIC HEALTH, AND PREVENTION RELATING TO INFECTIOUS DISEASES.

Did the organization undertake any significant program services during the year which were not listed on
the prior Form 990 or 990-EZ? ..................... Yes No

If "Yes," describe these new services on Schedule O.

Did the organization cease conducting, or make significant changes in how it conducts, any program
services? ........................... Yes No

If "Yes," describe these changes on Schedule O.

Describe the organization’s program service accomplishments for each of its three largest program services, as measured by expenses. Section 501(c)(3) and 501(c)(4) organizations are required to report the amount of grants and allocations to others, the total expenses, and revenue, if any, for each program service reported.


4a	(Code: ) (Expenses $ including grants of $ ) (Revenue $ )
	EDUCATIONAL PROGRAMS - THE SOCIETY EDUCATES MEMBERS ABOUT THE LATEST SCIENTIFIC AND CLINICAL DEVELOPMENTS IN INFECTIOUS DISEASES THROUGH IDWEEK, WHERE COLLEAGUES PRESENT THE LATEST SCIENTIFIC RESEARCH AND CLINICAL STATE OF THE ART FINDINGS. IDWEEK ALSO INCLUDES OTHER TARGETED DISCUSSIONS INVOLVING CLINICAL PRACTICE AND RESEARCH. DISCOUNTS, TRAVEL GRANTS, AND OTHER AWARD OPPORTUNITIES ARE OFFERED FOR MEMBERS ATTENDING IDWEEK.

4b	(Code: ) (Expenses $ including grants of $ ) (Revenue $ )
	MEMBER SERVICES - IDSA MEMBER SERVICES PROVIDES TIMELY INFORMATION ABOUT ISSUES SUCH AS EMERGING INFECTIOUS DISEASES, DEVELOPMENTS IN RELEVANT PUBLIC POLICY AND REGULATION, AND CAREER DEVELOPMENT RESOURCES. MEMBERS RECEIVE THREE IDSA MEDICAL JOURNALS AS WELL AS DISCOUNTS ON PUBLISHING FEES IN THOSE JOURNALS.

4c	(Code: ) (Expenses $ including grants of $ ) (Revenue $ )
	THE JOURNAL OF INFECTIOUS DISEASE (JID), CLINICAL INFECTIOUS DISEASES (CID) AND OPEN FORUM INFECTIOUS DISEASES (OFID) ARE PUBLISHED BY IDSA TO SHARE THE LATEST RESEARCH ON VARIOUS TOPICS TO THE VARIOUS CONSTITUENCIES OF THEIR MEMBERSHIP. ARTICLES ARE WRITTEN BY MEMBERS AND REVIEWED BY A PANEL OF LEADING MEDICAL EXPERTS BEFORE THEY ARE PUBLISHED. THE JOURNALS ALSO INCLUDE NEWLY DEVELOPED AND REVIEWED GUIDELINES FOR TREATMENT OF MANY ID CONDITIONS.

	(Code: ) (Expenses $ including grants of $ ) (Revenue $ )
	OTHER PROGRAM SERVICES ARE HIVMA, MANAGEMENT SERVICES, GUIDELINES DEVELOPMENT, POLICY AND GOVERNMENT RELATIONS, GLOBAL ID, AWARDS AND FELLOWSHIPS, EMERGING INFECTIONS NETWORK, CONTRIBUTION TO FOUNDATION, OTHER COMMITTEES AND GROUPS, AND OTHER MEETINGS.

4d	Other program services (Describe in Schedule O.)
	(Expenses $ including grants of $ ) (Revenue $ )
4e	Total program service expenses

Form 990 (2018)

Page 3

Part IV

Checklist of Required Schedules

Yes

Is the organization described in section 501(c)(3) or 4947(a)(1) (other than a private foundation)? If "Yes," complete Schedule A.....................

Is the organization required to complete Schedule B, Schedule of Contributors (see instructions)? Click to see attachment

...

Yes

Did the organization engage in direct or indirect political campaign activities on behalf of or in opposition to candidates for public office? If "Yes," complete Schedule C, Part I Click to see attachment

.............

Section 501(c)(3) organizations. Did the organization engage in lobbying activities, or have a section 501(h) election in effect during the tax year? If "Yes," complete Schedule C, Part II..............

Is the organization a section 501(c)(4), 501(c)(5), or 501(c)(6) organization that receives membership dues, assessments, or similar amounts as defined in Revenue Procedure 98-19? If "Yes," complete Schedule C, Part III Click to see attachment

.................

Yes

Did the organization maintain any donor advised funds or any similar funds or accounts for which donors have the right to provide advice on the distribution or investment of amounts in such funds or accounts? If "Yes," complete Schedule D, Part I Click to see attachment

..................

Did the organization receive or hold a conservation easement, including easements to preserve open space,
the environment, historic land areas, or historic structures? If "Yes," complete Schedule D, Part II Click to see attachment

...

Did the organization maintain collections of works of art, historical treasures, or other similar assets? If "Yes," complete Schedule D, Part III Click to see attachment

.............

Did the organization report an amount in Part X, line 21 for escrow or custodial account liability; serve as a custodian for amounts not listed in Part X; or provide credit counseling, debt management, credit repair, or debt negotiation services? If "Yes," complete Schedule D, Part IV Click to see attachment

..............

Did the organization, directly or through a related organization, hold assets in temporarily restricted endowments, permanent endowments, or quasi-endowments? If "Yes," complete Schedule D, Part V Click to see attachment

......

If the organization’s answer to any of the following questions is "Yes," then complete Schedule D, Parts VI, VII, VIII, IX, or X as applicable.

Did the organization report an amount for land, buildings, and equipment in Part X, line 10?
If "Yes," complete Schedule D, Part VI. Click to see attachment

...................

11a

Yes

Did the organization report an amount for investments—other securities in Part X, line 12 that is 5% or more of its total assets reported in Part X, line 16? If "Yes," complete Schedule D, Part VII Click to see attachment

.......

11b

Did the organization report an amount for investments—program related in Part X, line 13 that is 5% or more of its total assets reported in Part X, line 16? If "Yes," complete Schedule D, Part VIII Click to see attachment

.......

11c

Did the organization report an amount for other assets in Part X, line 15 that is 5% or more of its total assets reported in Part X, line 16? If "Yes," complete Schedule D, Part IX Click to see attachment

............

11d

Did the organization report an amount for other liabilities in Part X, line 25? If "Yes," complete Schedule D, Part X Click to see attachment

11e

Yes

Did the organization’s separate or consolidated financial statements for the tax year include a footnote that addresses the organization’s liability for uncertain tax positions under FIN 48 (ASC 740)? If "Yes," complete Schedule D, Part X Click to see attachment

11f

12a

Did the organization obtain separate, independent audited financial statements for the tax year?
If "Yes," complete Schedule D, Parts XI and XII Click to see attachment

.................

12a

Was the organization included in consolidated, independent audited financial statements for the tax year? If "Yes," and if the organization answered "No" to line 12a, then completing Schedule D, Parts XI and XII is optional Click to see attachment

12b

Yes

Is the organization a school described in section 170(b)(1)(A)(ii)? If "Yes," complete Schedule E

14a

Did the organization maintain an office, employees, or agents outside of the United States? .....

14a

Yes

Did the organization have aggregate revenues or expenses of more than $10,000 from grantmaking, fundraising, business, investment, and program service activities outside the United States, or aggregate foreign investments valued at $100,000 or more? If "Yes," complete Schedule F, Parts I and IV......... Click to see attachment

14b

Yes

Did the organization report on Part IX, column (A), line 3, more than $5,000 of grants or other assistance to or for any foreign organization? If “Yes,” complete Schedule F, Parts II and IV..... Click to see attachment

Did the organization report on Part IX, column (A), line 3, more than $5,000 of aggregate grants or other assistance to or for foreign individuals? If “Yes,” complete Schedule F, Parts III and IV... Click to see attachment

Yes

Did the organization report a total of more than $15,000 of expenses for professional fundraising services on Part IX, column (A), lines 6 and 11e? If "Yes," complete Schedule G, Part I(see instructions) ....

Did the organization report more than $15,000 total of fundraising event gross income and contributions on Part VIII, lines 1c and 8a? If "Yes," complete Schedule G, Part II............

Did the organization report more than $15,000 of gross income from gaming activities on Part VIII, line 9a? If "Yes," complete Schedule G, Part III...................

20a

Did the organization operate one or more hospital facilities? If "Yes," complete Schedule H....

20a

If "Yes" to line 20a, did the organization attach a copy of its audited financial statements to this return?

20b

Did the organization report more than $5,000 of grants or other assistance to any domestic organization or domestic government on Part IX, column (A), line 1? If “Yes,” complete Schedule I, Parts I and II..... Click to see attachment

Yes

Did the organization report more than $5,000 of grants or other assistance to or for domestic individuals on Part IX, column (A), line 2? If “Yes,” complete Schedule I, Parts I and III........ Click to see attachment

Yes

Form 990 (2018)

Page 4

Part IV

Checklist of Required Schedules (continued)

Yes

Did the organization answer "Yes" to Part VII, Section A, line 3, 4, or 5 about compensation of the organization’s current and former officers, directors, trustees, key employees, and highest compensated employees? If "Yes," complete Schedule J....................... Click to see attachment

Yes

24a

Did the organization have a tax-exempt bond issue with an outstanding principal amount of more than $100,000 as of the last day of the year, that was issued after December 31, 2002? If “Yes,” answer lines 24b through 24d and complete Schedule K. If “No,” go to line 25a...............

24a

Did the organization invest any proceeds of tax-exempt bonds beyond a temporary period exception?...

24b

Did the organization maintain an escrow account other than a refunding escrow at any time during the year
to defease any tax-exempt bonds? ...............

24c

Did the organization act as an "on behalf of" issuer for bonds outstanding at any time during the year?...

24d

25a

Section 501(c)(3), 501(c)(4), and 501(c)(29) organizations. Did the organization engage in an excess benefit transaction with a disqualified person during the year? If "Yes," complete Schedule L, Part I............

25a

Is the organization aware that it engaged in an excess benefit transaction with a disqualified person in a prior year, and that the transaction has not been reported on any of the organization’s prior Forms 990 or 990-EZ? If "Yes," complete Schedule L, Part I...................

25b

Did the organization report any amount on Part X, line 5, 6, or 22 for receivables from or payables to any current or former officers, directors, trustees, key employees, highest compensated employees, or disqualified persons? If "Yes," complete Schedule L, Part II................

Did the organization provide a grant or other assistance to an officer, director, trustee, key employee, substantial contributor or employee thereof, a grant selection committee member, or to a 35% controlled entity or family member of any of these persons? If "Yes," complete Schedule L, Part III.........

Was the organization a party to a business transaction with one of the following parties (see Schedule L, Part IV instructions for applicable filing thresholds, conditions, and exceptions):

A current or former officer, director, trustee, or key employee? If "Yes," complete Schedule L,
Part IV........................

28a

A family member of a current or former officer, director, trustee, or key employee? If "Yes," complete Schedule L, Part IV.....................

28b

An entity of which a current or former officer, director, trustee, or key employee (or a family member thereof) was an officer, director, trustee, or direct or indirect owner? If "Yes," complete Schedule L, Part IV...

28c

Did the organization receive more than $25,000 in non-cash contributions? If "Yes," complete Schedule M..

Did the organization receive contributions of art, historical treasures, or other similar assets, or qualified conservation contributions? If "Yes," complete Schedule M .............

Did the organization liquidate, terminate, or dissolve and cease operations? If "Yes," complete Schedule N, Part I.

Did the organization sell, exchange, dispose of, or transfer more than 25% of its net assets? If "Yes," complete Schedule N, Part II...........

Did the organization own 100% of an entity disregarded as separate from the organization under Regulations sections 301.7701-2 and 301.7701-3? If "Yes," complete Schedule R, Part I........ Click to see attachment

Was the organization related to any tax-exempt or taxable entity? If "Yes," complete Schedule R, Part II, III, or IV, and Part V, line 1......................... Click to see attachment

Yes

35a

Did the organization have a controlled entity within the meaning of section 512(b)(13)?

35a

Yes

If ‘Yes’ to line 35a, did the organization receive any payment from or engage in any transaction with a controlled entity within the meaning of section 512(b)(13)? If "Yes," complete Schedule R, Part V, line 2 ... Click to see attachment

35b

Yes

Section 501(c)(3) organizations. Did the organization make any transfers to an exempt non-charitable related organization? If "Yes," complete Schedule R, Part V, line 2.............

Did the organization conduct more than 5% of its activities through an entity that is not a related organization and that is treated as a partnership for federal income tax purposes? If "Yes," complete Schedule R, Part VI Click to see attachment

Did the organization complete Schedule O and provide explanations in Schedule O for Part VI, lines 11b and 19? Note. All Form 990 filers are required to complete Schedule O. ............

Yes

Part V

Statements Regarding Other IRS Filings and Tax Compliance
Check if Schedule O contains a response or note to any line in this Part V...........

Yes

Enter the number reported in Box 3 of Form 1096 Enter -0- if not applicable ..

Enter the number of Forms W-2G included in line 1a. Enter -0- if not applicable .

Did the organization comply with backup withholding rules for reportable payments to vendors and reportable gaming (gambling) winnings to prize winners? ..................

Yes

Form 990 (2018)

Page 5

Enter the number of employees reported on Form W-3, Transmittal of Wage and
Tax Statements, filed for the calendar year ending with or within the year covered by this return ..................

If at least one is reported on line 2a, did the organization file all required federal employment tax returns?
Note. If the sum of lines 1a and 2a is greater than 250, you may be required to e-file (see instructions)

Yes

Did the organization have unrelated business gross income of $1,000 or more during the year?...

If “Yes,” has it filed a Form 990-T for this year? If “No” to line 3b, provide an explanation in Schedule O...

At any time during the calendar year, did the organization have an interest in, or a signature or other authority over, a financial account in a foreign country (such as a bank account, securities account, or other financial account)? ..

If "Yes," enter the name of the foreign country: MediumBullet

See instructions for filing requirements for FinCEN Form 114, Report of Foreign Bank and Financial Accounts (FBAR).

Was the organization a party to a prohibited tax shelter transaction at any time during the tax year? ..

Did any taxable party notify the organization that it was or is a party to a prohibited tax shelter transaction?

If "Yes," to line 5a or 5b, did the organization file Form 8886-T? ............

Does the organization have annual gross receipts that are normally greater than $100,000, and did the organization solicit any contributions that were not tax deductible as charitable contributions? ...

Yes

If "Yes," did the organization include with every solicitation an express statement that such contributions or gifts were not tax deductible? ......................

Yes

Organizations that may receive deductible contributions under section 170(c).

Did the organization receive a payment in excess of $75 made partly as a contribution and partly for goods and services provided to the payor? ....................

If "Yes," did the organization notify the donor of the value of the goods or services provided? .....

Did the organization sell, exchange, or otherwise dispose of tangible personal property for which it was required to file Form 8282? .........................

If "Yes," indicate the number of Forms 8282 filed during the year ....

Did the organization receive any funds, directly or indirectly, to pay premiums on a personal benefit contract?

Did the organization, during the year, pay premiums, directly or indirectly, on a personal benefit contract? ..

If the organization received a contribution of qualified intellectual property, did the organization file Form 8899 as required? ......................

If the organization received a contribution of cars, boats, airplanes, or other vehicles, did the organization file a Form 1098-C? ..........................

Sponsoring organizations maintaining donor advised funds.
Did a donor advised fund maintained by the sponsoring organization have excess business holdings at any time during the year? .........................

Did the sponsoring organization make any taxable distributions under section 4966?...

Did the sponsoring organization make a distribution to a donor, donor advisor, or related person?...

Section 501(c)(7) organizations. Enter:

Initiation fees and capital contributions included on Part VIII, line 12 ...

10a

Gross receipts, included on Form 990, Part VIII, line 12, for public use of club facilities

10b

Section 501(c)(12) organizations. Enter:

Gross income from members or shareholders .........

11a

Gross income from other sources (Do not net amounts due or paid to other sources against amounts due or received from them.) ..........

11b

12a

Section 4947(a)(1) non-exempt charitable trusts. Is the organization filing Form 990 in lieu of Form 1041?

12a

If "Yes," enter the amount of tax-exempt interest received or accrued during the year.

12b

Section 501(c)(29) qualified nonprofit health insurance issuers.

Is the organization licensed to issue qualified health plans in more than one state?
Note. See the instructions for additional information the organization must report on Schedule O.

13a

Enter the amount of reserves the organization is required to maintain by the states in which the organization is licensed to issue qualified health plans ....

13b

Enter the amount of reserves on hand ............

13c

14a

Did the organization receive any payments for indoor tanning services during the tax year?.....

14a

If "Yes," has it filed a Form 720 to report these payments? If "No," provide an explanation in Schedule O..

14b

Is the organization subject to the section 4960 tax on payment(s) of more than $1,000,000 in remuneration or excess parachute payment(s) during the year? If "Yes," see instructions and file Form 4720, Schedule N .....

Is the organization an educational institution subject to the section 4968 excise tax on net investment income?
If "Yes," complete Form 4720, Schedule O ................

Form 990 (2018)

Page 6

Part VI

Governance, Management, and Disclosure For each "Yes" response to lines 2 through 7b below, and for a "No" response to lines 8a, 8b, or 10b below, describe the circumstances, processes, or changes in Schedule O. See instructions.

Check if Schedule O contains a response or note to any line in this Part VI..............

Section A. Governing Body and Management

Yes

Enter the number of voting members of the governing body at the end of the tax year

If there are material differences in voting rights among members of the governing body, or if the governing body delegated broad authority to an executive committee or similar committee, explain in Schedule O.

Enter the number of voting members included in line 1a, above, who are independent

Did any officer, director, trustee, or key employee have a family relationship or a business relationship with any other officer, director, trustee, or key employee? .................

Did the organization delegate control over management duties customarily performed by or under the direct supervision of officers, directors or trustees, or key employees to a management company or other person? .

Did the organization make any significant changes to its governing documents since the prior Form 990 was filed? .

Did the organization become aware during the year of a significant diversion of the organization’s assets? .

Did the organization have members or stockholders? ................

Yes

Did the organization have members, stockholders, or other persons who had the power to elect or appoint one or more members of the governing body? ....................

Yes

Are any governance decisions of the organization reserved to (or subject to approval by) members, stockholders, or persons other than the governing body? ...................

Yes

Did the organization contemporaneously document the meetings held or written actions undertaken during the year by the following:

The governing body? .......................

Yes

Each committee with authority to act on behalf of the governing body? ............

Yes

Is there any officer, director, trustee, or key employee listed in Part VII, Section A, who cannot be reached at the organization’s mailing address? If "Yes," provide the names and addresses in Schedule O.......

Section B. Policies (This Section B requests information about policies not required by the Internal Revenue Code.)

Yes

10a

Did the organization have local chapters, branches, or affiliates? ............

10a

If "Yes," did the organization have written policies and procedures governing the activities of such chapters, affiliates, and branches to ensure their operations are consistent with the organization's exempt purposes?

10b

11a

Has the organization provided a complete copy of this Form 990 to all members of its governing body before filing the form? ............................

11a

Yes

Describe in Schedule O the process, if any, used by the organization to review this Form 990. .....

12a

Did the organization have a written conflict of interest policy? If "No," go to line 13.......

12a

Yes

Were officers, directors, or trustees, and key employees required to disclose annually interests that could give rise to conflicts? ..........................

12b

Yes

Did the organization regularly and consistently monitor and enforce compliance with the policy? If "Yes," describe in Schedule O how this was done...................

12c

Yes

Did the organization have a written whistleblower policy? ...............

Yes

Did the organization have a written document retention and destruction policy? .........

Yes

Did the process for determining compensation of the following persons include a review and approval by independent persons, comparability data, and contemporaneous substantiation of the deliberation and decision?

The organization’s CEO, Executive Director, or top management official ...........

15a

Other officers or key employees of the organization ................

15b

If "Yes" to line 15a or 15b, describe the process in Schedule O (see instructions).

16a

Did the organization invest in, contribute assets to, or participate in a joint venture or similar arrangement with a taxable entity during the year? ......................

16a

If "Yes," did the organization follow a written policy or procedure requiring the organization to evaluate its participation in joint venture arrangements under applicable federal tax law, and take steps to safeguard the organization’s exempt status with respect to such arrangements? ............

16b

Section C. Disclosure

List the States with which a copy of this Form 990 is required to be filed MediumBullet

Section 6104 requires an organization to make its Form 1023 (or 1024-A if applicable), 990, and 990-T (501(c)(3)s only) available for public inspection. Indicate how you made these available. Check all that apply.

Own website Another's website Upon request Other (explain in Schedule O)

Describe in Schedule O whether (and if so, how) the organization made its governing documents, conflict of interest policy, and financial statements available to the public during the tax year.

State the name, address, and telephone number of the person who possesses the organization's books and records:
MediumBullet

BARTON GROH VP FINANCE & ADMIN1300 WILSON BLVD SUITE 300 ARLINGTON,VA22209 (703) 299-0200

Form 990 (2018)

Page 7

Part VII

Compensation of Officers, Directors,Trustees, Key Employees, Highest Compensated Employees, and Independent Contractors

Check if Schedule O contains a response or note to any line in this Part VII..............

Section A. Officers, Directors, Trustees, Key Employees, and Highest Compensated Employees

1a Complete this table for all persons required to be listed. Report compensation for the calendar year ending with or within the organization’s tax year.
RoundBullet

List all of the organization’s current officers, directors, trustees (whether individuals or organizations), regardless of amount
of compensation. Enter -0- in columns (D), (E), and (F) if no compensation was paid.

List all of the organization’s current key employees, if any. See instructions for definition of "key employee."

List the organization’s five current highest compensated employees (other than an officer, director, trustee or key employee)
who received reportable compensation (Box 5 of Form W-2 and/or Box 7 of Form 1099-MISC) of more than $100,000 from the
organization and any related organizations.

List all of the organization’s former officers, key employees, or highest compensated employees who received more than $100,000
of reportable compensation from the organization and any related organizations.

List all of the organization’s former directors or trustees that received, in the capacity as a former director or trustee of the
organization, more than $10,000 of reportable compensation from the organization and any related organizations.

List persons in the following order: individual trustees or directors; institutional trustees; officers; key employees; highest
compensated employees; and former such persons.

Check this box if neither the organization nor any related organization compensated any current officer, director, or trustee.

(A) Name and Title	(B) Average hours per week (list any hours for related organizations below dotted line)	(C) Position (do not check more than one box, unless person is both an officer and a director/trustee)		(D) Reportable compensation from the organization (W- 2/1099-MISC)	(E) Reportable compensation from related organizations (W- 2/1099-MISC)	(F) Estimated amount of other compensation from the organization and related organizations
(A) Name and Title
(1) CYNTHIA L SEARS MD FIDSA...................................................................... PRESIDENT	2.00 ................. 0.00	X	X	0	0	0
(2) THOMAS M FILE JR MD FIDSA...................................................................... PRESIDENT-ELECT	2.00 ................. 0.00	X	X	0	0	0
(3) BARBARA D ALEXANDER MD MHS FIDSA...................................................................... VICE PRESIDENT	2.00 ................. 0.00	X	X	0	0	0
(4) LARRY K PICKERING MD FIDSA FPIDS...................................................................... SECRETARY	2.00 ................. 0.00	X	X	0	0	0
(5) HELEN W BOUCHER MD FIDSA...................................................................... TREASURER	2.00 ................. 1.00	X	X	0	0	0
(6) PAUL G AUWAERTER MD FIDSA...................................................................... IMMEDIATE PAST PRESIDENT	2.00 ................. 0.00	X	X	0	0	0
(7) ANGELA CALIENDO MD PHD FIDSA...................................................................... BOARD MEMBER	1.00 ................. 0.00	X		0	0	0
(8) JEFFREY DUCHIN MD FIDSA...................................................................... BOARD MEMBER	1.00 ................. 0.00	X		0	0	0
(9) VICTORIA FRASER MD FIDSA...................................................................... BOARD MEMBER	1.00 ................. 0.00	X		0	0	0
(10) ANN MACINTYRE DO MHS FIDSA...................................................................... BOARD MEMBER	1.00 ................. 0.00	X		0	0	0
(11) JEANNE MARRAZZO MD MPH FIDSA...................................................................... BOARD MEMBER	1.00 ................. 0.00	X		0	0	0
(12) DAN MCQUILLEN MD FIDSA...................................................................... BOARD MEMBER	1.00 ................. 0.00	X		0	0	0
(13) SUSAN J REHM MD FIDSA...................................................................... BOARD MEMBER	1.00 ................. 0.00	X		0	0	0
(14) IGHOWERHA OFOTOKUN MD MSC FIDSA...................................................................... BOARD MEMBER	1.00 ................. 0.00	X		0	0	0
(15) JANET GILSDORF MD...................................................................... BOARD MEMBER	1.00 ................. 0.00	X		0	0	0
(16) DAVID HENDERSON MD...................................................................... BOARD MEMBER	1.00 ................. 0.00	X		0	0	0
(17) CHRIS BUSKY...................................................................... CEO	38.00 ................. 2.00		X	411,858	21,677	53,583

Form 990 (2018)

Page 8

Part VII

Section A. Officers, Directors, Trustees, Key Employees, and Highest Compensated Employees (continued)

(A) Name and Title	(B) Average hours per week (list any hours for related organizations below dotted line)				(D) Reportable compensation from the organization (W- 2/1099-MISC)	(E) Reportable compensation from related organizations (W- 2/1099-MISC)	(F) Estimated amount of other compensation from the organization and related organizations
(A) Name and Title
(18) BARTON GROH........................................................................ VP, FINANCE & ADMINISTRATION	33.00 .......................7.00	X			158,123	33,542	26,595
(19) SANDRA VURA HARWOOD........................................................................ VP, MEETINGS & EDUCATION	40.00 .......................0.00		X		221,714	0	29,489
(20) AMANDA JEZEK........................................................................ SVP, PUBLIC POLICY & GOVERNMENT RELATIONS	40.00 .......................0.00		X		201,765	0	33,043
(21) ANDREA WEDDLE........................................................................ EXECUTIVE DIRECTOR, HIVMA	38.00 .......................2.00		X		163,856	8,624	16,221
(22) ANDRES RODRIGUEZ........................................................................ VP, CLINICAL AFFAIRS & GUIDELINES	40.00 .......................0.00		X		190,712	0	18,458
(23) DAVID MOLDAVSKY........................................................................ VP, DIGITAL AND TECHNOLOGY STRATEGY	37.00 .......................3.00			X	129,523	10,502	21,399
(24) FELICITY CLANCY........................................................................ VP, MARKETING, COMMUNICATIONS, AND MEMBERSHIP	40.00 .......................0.00			X	135,804	0	23,722
(25) SALANDRA FLEMING........................................................................ VP, TALENT AND ORGANIZATIONAL DEVELOPMENT	37.00 .......................3.00			X	172,657	13,999	16,334
(26) JOHN BUCKLEY........................................................................ DIRECTOR OF MEETING SERVICES	40.00 .......................0.00			X	138,912	0	29,436
(27) RACHEL SHNEKENDORF........................................................................ DIRECTOR OF EDUCATION	40.00 .......................0.00			X	134,381	0	14,827

1b	Sub-Total................
c	Total from continuation sheets to Part VII, Section A....
d	Total (add lines 1b and 1c)...........	2,059,305	88,344	283,107

Total number of individuals (including but not limited to those listed above) who received more than $100,000 of reportable compensation from the organization MediumBullet

Yes

Did the organization list any former officer, director or trustee, key employee, or highest compensated employee on line 1a? If "Yes," complete Schedule J for such individual ..............

For any individual listed on line 1a, is the sum of reportable compensation and other compensation from the organization and related organizations greater than $150,000? If "Yes," complete Schedule J for such
individual...........................

Yes

Did any person listed on line 1a receive or accrue compensation from any unrelated organization or individual for services rendered to the organization? If "Yes," complete Schedule J for such person ........

Section B. Independent Contractors

Complete this table for your five highest compensated independent contractors that received more than $100,000 of compensation from the organization. Report compensation for the calendar year ending with or within the organization’s tax year.

(A) Name and business address	(B) Description of services	(C) Compensation
PROJECTION VIDEO SERVICES INC 5803 ROLLING RD STE 200 SPRINGFIELD,VA22152	AUDIO VISUAL SERVICES	936,435
OXFORD UNIVERSITY PRESS GREAT CLARENDON STREET OXFORD 0X2 6DP UK	JOURNAL PUBLICATION SERVICES	774,840
BLUEBOLT INC 415 N LASALLE DRIVE STE 205 CHICAGO,IL60654	WEBSITE DESIGN	537,603
DELCOR TECHNOLOGY SOLUTIONS 8380 COLESVILLE RD STE 550 SILVER SPRING,MD20910	TECHNOLOGY CONSULTING	500,201
NEXXT SHOW 61 STRAFELLO DRIVE AVON,MA02322	EVENTS/EXHIBITION MANAGEMENT	425,897
2 Total number of independent contractors (including but not limited to those listed above) who received more than $100,000 of compensation from the organization 16

Form 990 (2018)

Page 9

Part VIII

Statement of Revenue

Check if Schedule O contains a response or note to any line in this Part VIII.............

(A)
Total revenue

(B)
Related or
exempt
function
revenue

(D)
Revenue
excluded from
tax under sections
512 - 514

1a	Federated campaigns..		1a
b	Membership dues..		1b
c	Fundraising events..		1c
d	Related organizations		1d
e	Government grants (contributions)		1e	590,658

f	All other contributions, gifts, grants, and similar amounts not included above		1f	1,422,935

g	Noncash contributions included in lines 1a - 1f:$
h Total. Add lines 1a-1f.......		2,013,593

		Business Code
2a	ANNUAL MEETING	900099	8,778,842	8,778,842
b	JOURNAL	511120	6,932,113	6,932,113
c	MEMBERSHIP DUES	900099	2,755,205	2,755,205
d	MANAGEMENT FEES	561000	1,467,329	1,467,329
e	EDUCATIONAL COURSES	611430	241,575	241,575
f	All other program service revenue.		120,700	120,700
g	Total. Add lines 2a–2f ....		20,295,764

3 Investment income (including dividends, interest, and othersimilar amounts) ......			861,431			861,431
4 Income from investment of tax-exempt bond proceeds
5 Royalties...........			368,083	216,586		151,497
		(ii) Personal	(i) Real
6a	Gross rents
b	Less: rental expenses
c	Rental income or (loss)
d	Net rental income or (loss)......
		(ii) Other	(i) Securities
7a	Gross amount from sales of assets other than inventory
b	Less: cost or other basis and sales expenses
c	Gain or (loss)
d	Net gain or (loss).....
8a	Gross income from fundraising events (not including $ of contributions reported on line 1c). See Part IV, line 18 ....
	a
b	Less: direct expenses ...b
c	Net income or (loss) from fundraising events..
9a	Gross income from gaming activities. See Part IV, line 19 ...
	a
b	Less: direct expenses ...b
c	Net income or (loss) from gaming activities..
10a	Gross sales of inventory, less returns and allowances ..
	a
b	Less: cost of goods sold ..b
c	Net income or (loss) from sales of inventory..
Business Code			Miscellaneous Revenue
11a	OTHER INCOME		900099	11,764			11,764
b
c
d	All other revenue ....
e	Total. Add lines 11a–11d ......			11,764
12	Total revenue. See Instructions......			23,550,635	20,512,350	0	1,024,692

Form 990 (2018)

Page 10

Part IX

Statement of Functional Expenses

Section 501(c)(3) and 501(c)(4) organizations must complete all columns. All other organizations must complete column (A).Check if Schedule O contains a response or note to any line in this Part IX..............

Do not include amounts reported on lines 6b, 7b, 8b, 9b, and 10b of Part VIII.		(A) Total expenses	(B) Program service expenses	(C) Management and general expenses	(D) Fundraising expenses

1	Grants and other assistance to domestic organizations and domestic governments. See Part IV, line 21	1,085,246
2	Grants and other assistance to domestic individuals. See Part IV, line 22	297,600
3	Grants and other assistance to foreign organizations, foreign governments, and foreign individuals. See Part IV, line 15 and 16.	12,550
4	Benefits paid to or for members
5	Compensation of current officers, directors, trustees, and key employees ....	1,605,588
6	Compensation not included above, to disqualified persons (as defined under section 4958(f)(1)) and persons described in section 4958(c)(3)(B) ....
7	Other salaries and wages	5,142,815
8	Pension plan accruals and contributions (include section 401(k) and 403(b) employer contributions) ....	245,635
9	Other employee benefits .......	587,801
10	Payroll taxes ...........	375,261
11	Fees for services (non-employees):
a	Management ......
b	Legal .........	79,482
c	Accounting ...........	38,195
d	Lobbying ...........	225,305
e	Professional fundraising services. See Part IV, line 17
f	Investment management fees ......	146,102
g	Other (If line 11g amount exceeds 10% of line 25, column (A) amount, list line 11g expenses on Schedule O)	2,419,954
12	Advertising and promotion ....	63,850
13	Office expenses .......	528,795
14	Information technology ......	1,091,226
15	Royalties ..
16	Occupancy ...........	942,833
17	Travel ............	35,114
18	Payments of travel or entertainment expenses for any federal, state, or local public officials .
19	Conferences, conventions, and meetings ....	4,222,388
20	Interest ...........
21	Payments to affiliates .......
22	Depreciation, depletion, and amortization ..	145,273
23	Insurance ...	87,928
24	Other expenses. Itemize expenses not covered above (List miscellaneous expenses in line 24e. If line 24e amount exceeds 10% of line 25, column (A) amount, list line 24e expenses on Schedule O.)
a	JOURNAL EXPENSES	1,329,859
b	REVENUE SHARE EXPENSE	907,692
c	DUES AND SUBSCRIPTIONS	828,887
d	OVERHEAD ALLOCATION	-372,395
e	All other expenses	976,308
25	Total functional expenses. Add lines 1 through 24e	23,049,292
26	Joint costs. Complete this line only if the organization reported in column (B) joint costs from a combined educational campaign and fundraising solicitation. Check here if following SOP 98-2 (ASC 958-720).

Form 990 (2018)

Page 11

Part X

Balance Sheet

Check if Schedule O contains a response or note to any line in this Part IX..............

				(A) Beginning of year		(B) End of year

1	Cash–non-interest-bearing ........			982,747	1	1,196,077
2	Savings and temporary cash investments .........			5,727,883	2	5,358,303
3	Pledges and grants receivable, net ......				3
4	Accounts receivable, net .............			2,291,698	4	2,508,180
5	Loans and other receivables from current and former officers, directors, trustees, key employees, and highest compensated employees. Complete Part II of Schedule L .............
					5
6	Loans and other receivables from other disqualified persons (as defined under section 4958(f)(1)), persons described in section 4958(c)(3)(B), and contributing employers and sponsoring organizations of section 501(c)(9) voluntary employees' beneficiary organizations (see instructions) Complete Part II of Schedule L ..............
					6
7	Notes and loans receivable, net ....				7
8	Inventories for sale or use ........				8
9	Prepaid expenses and deferred charges ......			458,252	9	347,009
10a	Land, buildings, and equipment: cost or other basis. Complete Part VI of Schedule D	10a	1,852,980
b	Less: accumulated depreciation	10b	731,640	892,512	10c	1,121,340
11	Investments—publicly traded securities .			30,992,976	11	28,685,248
12	Investments—other securities. See Part IV, line 11 .....				12
13	Investments—program-related. See Part IV, line 11 ..				13
14	Intangible assets ...............				14
15	Other assets. See Part IV, line 11 ...........			890,086	15	894,388
16	Total assets. Add lines 1 through 15 (must equal line 34)...			42,236,154	16	40,110,545

17	Accounts payable and accrued expenses .....	1,648,852	17	1,591,500
18	Grants payable ...	182	18	182
19	Deferred revenue .........	4,570,780	19	4,510,034
20	Tax-exempt bond liabilities .........		20
21	Escrow or custodial account liability. Complete Part IV of Schedule D		21
22	Loans and other payables to current and former officers, directors, trustees, key employees, highest compensated employees, and disqualified
	persons. Complete Part II of Schedule L..		22
23	Secured mortgages and notes payable to unrelated third parties ..		23
24	Unsecured notes and loans payable to unrelated third parties ..		24
25	Other liabilities (including federal income tax, payables to related third parties, and other liabilities not included on lines 17 - 24). Complete Part X of Schedule D	197,861	25	157,703
26	Total liabilities. Add lines 17 through 25..	6,417,675	26	6,259,419

	Organizations that follow SFAS 117 (ASC 958), check here and complete lines 27 through 29, and lines 33 and 34.
27	Unrestricted net assets	35,818,479	27	33,851,126
28	Temporarily restricted net assets ...........		28
29	Permanently restricted net assets		29
	Organizations that do not follow SFAS 117 (ASC 958), check here and complete lines 30 through 34.
30	Capital stock or trust principal, or current funds .....		30
31	Paid-in or capital surplus, or land, building or equipment fund ...		31
32	Retained earnings, endowment, accumulated income, or other funds		32
33	Total net assets or fund balances ...........	35,818,479	33	33,851,126
34	Total liabilities and net assets/fund balances ........	42,236,154	34	40,110,545

Form 990 (2018)

Page 12

Part XI

Reconcilliation of Net Assets

Check if Schedule O contains a response or note to any line in this Part XI..............

Total revenue (must equal Part VIII, column (A), line 12) ............

23,550,635

Total expenses (must equal Part IX, column (A), line 25) ............

23,049,292

Revenue less expenses. Subtract line 2 from line 1 ..............

501,343

Net assets or fund balances at beginning of year (must equal Part X, line 33, column (A)) ..

35,818,479

Net unrealized gains (losses) on investments ...............

-2,468,696

Donated services and use of facilities .................

Investment expenses .....................

Prior period adjustments .....................

Other changes in net assets or fund balances (explain in Schedule O) ........

Net assets or fund balances at end of year. Combine lines 3 through 9 (must equal Part X, line 33, column (B))

33,851,126

Part XII

Financial Statements and Reporting

Check if Schedule O contains a response or note to any line in this Part XII.............

Yes

Accounting method used to prepare the Form 990: Cash Accrual Other
If the organization changed its method of accounting from a prior year or checked "Other," explain in
Schedule O.

Were the organization’s financial statements compiled or reviewed by an independent accountant?

If ‘Yes,’ check a box below to indicate whether the financial statements for the year were compiled or reviewed on a separate basis, consolidated basis, or both:

Separate basis Consolidated basis Both consolidated and separate basis

Were the organization’s financial statements audited by an independent accountant?

Yes

If ‘Yes,’ check a box below to indicate whether the financial statements for the year were audited on a separate basis, consolidated basis, or both:

Separate basis Consolidated basis Both consolidated and separate basis

If "Yes," to line 2a or 2b, does the organization have a committee that assumes responsibility for oversight of the audit, review, or compilation of its financial statements and selection of an independent accountant?

Yes

If the organization changed either its oversight process or selection process during the tax year, explain in Schedule O.

As a result of a federal award, was the organization required to undergo an audit or audits as set forth in the Single Audit Act and OMB Circular A-133?

If "Yes," did the organization undergo the required audit or audits? If the organization did not undergo the required audit or audits, explain why in Schedule O and describe any steps taken to undergo such audits.

Form 990 (2018)

Additional Data

Software ID:
Software Version:

Form 990, Special Condition Description:

Special Condition Description

- TIN:

Schedule B
(Form 990, 990-EZ,
or 990-PF)

Department of the Treasury
Internal Revenue Service

Schedule of Contributors

Attach to Form 990, 990-EZ, or 990-PF.

Go to www.irs.gov/Form990 for the latest information.

OMB No. 1545-0047

2018

Name of the organization

INFECTIOUS DISEASES SOCIETY OF AMERICA

Employer identification number

23-7045686

Organization type (check one):

Filers of:

Section:

Form 990 or 990-EZ

501(c)( ) (enter number) organization

4947(a)(1) nonexempt charitable trust not treated as a private foundation

527 political organization

Form 990-PF

501(c)(3) exempt private foundation

4947(a)(1) nonexempt charitable trust treated as a private foundation

501(c)(3) taxable private foundation

Check if your organization is covered by the General Rule or a Special Rule.
Note. Only a section 501(c)(7), (8), or (10) organization can check boxes for both the General Rule and a Special Rule. See instructions.

General Rule

For an organization filing Form 990, 990-EZ, or 990-PF that received, during the year, contributions totaling $5,000 or more (in money or other property) from any one contributor. Complete Parts I and II. See instructions for determining a contributor's total contributions.

Special Rules

For an organization described in section 501(c)(3) filing Form 990 or 990-EZ that met the 33¹/3% support test of the regulations
under sections 509(a)(1) and 170(b)(1)(A)(vi), that checked Schedule A (Form 990 or 990-EZ), Part II, line 13, 16a, or 16b, and that received from any one contributor, during the year, total contributions of the greater of (1) $5,000 or (2) 2% of the amount on (i) Form 990, Part VIII, line 1h, or (ii) Form 990-EZ, line 1. Complete Parts I and II.

For an organization described in section 501(c)(7), (8), or (10) filing Form 990 or 990-EZ that received from any one contributor,
during the year, total contributions of more than $1,000 exclusively for religious, charitable, scientific, literary, or educational purposes, or for the prevention of cruelty to children or animals. Complete Parts I, II, and III.

For an organization described in section 501(c)(7), (8), or (10) filing Form 990 or 990-EZ that received from any one contributor,
during the year, contributions exclusively for religious, charitable, etc., purposes, but no such contributions totaled more than $1,000. If this box is checked, enter here the total contributions that were received during the year for an exclusively religious, charitable, etc., purpose. Don't complete any of the parts unless the General Rule applies to this organization because it received nonexclusively religious, charitable, etc., contributions totaling $5,000 or more during the year ......... Arrow Bullet

Caution. An organization that isn't covered by the General Rule and/or the Special Rules doesn't file Schedule B (Form 990,
990-EZ, or 990-PF), but it must answer “No” on Part IV, line 2, of its Form 990; or check the box on line H of its
Form 990-EZ or on its Form 990PF, Part I, line 2, to certify that it doesn't meet the filing requirements of Schedule B (Form 990,
990-EZ, or 990-PF).

For Paperwork Reduction Act Notice, see the Instructions
for Form 990, 990-EZ, or 990-PF.

Cat. No. 30613XSchedule B (Form 990, 990-EZ, or 990-PF) (2018)

Schedule B (Form 990, 990-EZ, or 990-PF) (2018) Page 2

Name of organization INFECTIOUS DISEASES SOCIETY OF AMERICA

Part I	Contributors (See instructions). Use duplicate copies of Part I if additional space is needed.
(a) No.	(b) Name, address, and ZIP + 4	(c) Total contributions	(d) Type of contribution
RESTRICTED	,	$ RESTRICTED	Person Payroll Noncash (Complete Part II for noncash contributions.)
(a) No.	(b) Name, address, and ZIP + 4	(c) Total contributions	(d) Type of contribution
		$	Person Payroll Noncash (Complete Part II for noncash contributions.)
(a) No.	(b) Name, address, and ZIP + 4	(c) Total contributions	(d) Type of contribution
		$	Person Payroll Noncash (Complete Part II for noncash contributions.)
(a) No.	(b) Name, address, and ZIP + 4	(c) Total contributions	(d) Type of contribution
		$	Person Payroll Noncash (Complete Part II for noncash contributions.)
(a) No.	(b) Name, address, and ZIP + 4	(c) Total contributions	(d) Type of contribution
		$	Person Payroll Noncash (Complete Part II for noncash contributions.)
(a) No.	(b) Name, address, and ZIP + 4	(c) Total contributions	(d) Type of contribution
		$	Person Payroll Noncash (Complete Part II for noncash contributions.)
Schedule B (Form 990, 990-EZ, or 990-PF) (2018)

Schedule B (Form 990, 990-EZ, or 990-PF) (2018)

Page 3

Name of organization INFECTIOUS DISEASES SOCIETY OF AMERICA		Employer identification number 23-7045686

Part II	Noncash Property (See instructions). Use duplicate copies of Part II if additional space is needed.
(a) No. from Part I	(b) Description of noncash property given	(c) FMV (or estimate) (See instructions)	(d) Date received
		$
(a) No. from Part I	(b) Description of noncash property given	(c) FMV (or estimate) (See instructions)	(d) Date received
		$
(a) No. from Part I	(b) Description of noncash property given	(c) FMV (or estimate) (See instructions)	(d) Date received
		$
(a) No. from Part I	(b) Description of noncash property given	(c) FMV (or estimate) (See instructions)	(d) Date received
		$
(a) No. from Part I	(b) Description of noncash property given	(c) FMV (or estimate) (See instructions)	(d) Date received
		$
(a) No. from Part I	(b) Description of noncash property given	(c) FMV (or estimate) (See instructions)	(d) Date received
		$
Schedule B (Form 990, 990-EZ, or 990-PF) (2018)

Schedule B (Form 990, 990-EZ, or 990-PF) (2018)

Page 4


Name of organization INFECTIOUS DISEASES SOCIETY OF AMERICA			Employer identification number 23-7045686
Part III Exclusively religious, charitable, etc., contributions to organizations described in section 501(c)(7), (8), or (10) that total more than $1,000 for the year from any one contributor. Complete columns (a) through (e) and the following line entry. For organizations completing Part III, enter the total of exclusively religious, charitable, etc., contributions of $1,000 or less for the year. (Enter this information once. See instructions.) $ Use duplicate copies of Part III if additional space is needed.

(a)
No. from Part I

(b) Purpose of gift

(d) Description of how gift is held

(e) Transfer of gift
Transferee's name, address, and ZIP 4	Relationship of transferor to transferee

(a)
No. from Part I

(b) Purpose of gift

(d) Description of how gift is held

(e) Transfer of gift
Transferee's name, address, and ZIP 4	Relationship of transferor to transferee

(a)
No. from Part I

(b) Purpose of gift

(d) Description of how gift is held

(e) Transfer of gift
Transferee's name, address, and ZIP 4	Relationship of transferor to transferee

(a)
No. from Part I

(b) Purpose of gift

(d) Description of how gift is held

(e) Transfer of gift
Transferee's name, address, and ZIP 4	Relationship of transferor to transferee

Schedule B (Form 990, 990-EZ, or 990-PF) (2018)

Additional Data

Software ID:
Software Version:

- TIN:

SCHEDULE C
(Form 990 or 990-EZ)

Department of the Treasury
Internal Revenue Service

Political Campaign and Lobbying Activities

For Organizations Exempt From Income Tax Under section 501(c) and section 527

SchCMd Bullet

Complete if the organization is described below. SchCMd Bullet

Attach to Form 990 or Form 990-EZ.
SchCMd Bullet

Go to www.irs.gov/Form990 for instructions and the latest information.

OMB No. 1545-0047

2018

Open to Public
Inspection

If the organization answered "Yes" on Form 990, Part IV, Line 3, or Form 990-EZ, Part V, line 46 (Political Campaign Activities), then
Round Bullet

Section 501(c)(3) organizations: Complete Parts I-A and B. Do not complete Part I-C.
Round Bullet

Section 501(c) (other than section 501(c)(3)) organizations: Complete Parts I-A and C below. Do not complete Part I-B.
Round Bullet

Section 527 organizations: Complete Part I-A only.
If the organization answered "Yes" on Form 990, Part IV, Line 4, or Form 990-EZ, Part VI, line 47 (Lobbying Activities), then
Round Bullet

Section 501(c)(3) organizations that have filed Form 5768 (election under section 501(h)): Complete Part II-A. Do not complete Part II-B.
Round Bullet

Section 501(c)(3) organizations that have NOT filed Form 5768 (election under section 501(h)): Complete Part II-B. Do not complete Part II-A.
If the organization answered "Yes" on Form 990, Part IV, Line 5 (Proxy Tax) (see separate instructions) or Form 990-EZ, Part V, line 35c (Proxy Tax) (see separate instructions), then
Round Bullet

Section 501(c)(4), (5), or (6) organizations: Complete Part III.

Name of the organization

INFECTIOUS DISEASES SOCIETY OF AMERICA

Employer identification number

23-7045686

Part I-A

Complete if the organization is exempt under section 501(c) or is a section 527 organization.

Provide a description of the organization’s direct and indirect political campaign activities in Part IV (see instructions for definition of “political campaign activities")

Political campaign activity expenditures (see instructions) .................................................................... SchCMd Bullet

Volunteer hours for political campaign activities (see instructions) ..................................................................

Part I-B

Complete if the organization is exempt under section 501(c)(3).

Enter the amount of any excise tax incurred by the organization under section 4955 ................................ SchCMd Bullet

Enter the amount of any excise tax incurred by organization managers under section 4955 ....................... SchCMd Bullet

If the organization incurred a section 4955 tax, did it file Form 4720 for this year? .........................................

Yes No

Was a correction made? ......................................................................................................................

Yes No

If "Yes," describe in Part IV.

Part I-C

Complete if the organization is exempt under section 501(c), except section 501(c)(3).

Enter the amount directly expended by the filing organization for section 527 exempt function activities ..... SchCMd Bullet

Enter the amount of the filing organization's funds contributed to other organizations for section 527 exempt function activities ............................................................................................................................ SchCMd Bullet

Total exempt function expenditures. Add lines 1 and 2. Enter here and on Form 1120-POL, line 17b........... SchCMd Bullet

Did the filing organization file Form 1120-POL for this year? ...................................................................

Yes No

Enter the names, addresses and employer identification number (EIN) of all section 527 political organizations to which the filing
organization made payments. For each organization listed, enter the amount paid from the filing organization’s funds. Also enter the amount of political contributions received that were promptly and directly delivered to a separate political organization, such as a separate segregated fund or a political action committee (PAC). If additional space is needed, provide information in Part IV.

(a) Name	(b) Address	(c) EIN	(d) Amount paid from filing organization's funds. If none, enter -0-.	(e) Amount of political contributions received and promptly and directly delivered to a separate political organization. If none, enter -0-.
1
2
3
4
5
6

For Paperwork Reduction Act Notice, see the instructions for Form 990 or 990-EZ.

Cat. No. 50084S

Schedule C (Form 990 or 990-EZ) 2018

Page 2

Part II-A

Complete if the organization is exempt under section 501(c)(3) and filed Form 5768 (election under section 501(h)).

A Check SchCMd Bullet

if the filing organization belongs to an affiliated group (and list in Part IV each affiliated group member's name, address, EIN, expenses, and share of excess lobbying expenditures).
B Check SchCMd Bullet

if the filing organization checked box A and "limited control" provisions apply.

Limits on Lobbying Expenditures (The term "expenditures" means amounts paid or incurred.)		(b) Affiliated group totals
1a	Total lobbying expenditures to influence public opinion (grass roots lobbying) ......................
b	Total lobbying expenditures to influence a legislative body (direct lobbying) ...............................
c	Total lobbying expenditures (add lines 1a and 1b) ...................................................................
d	Other exempt purpose expenditures ........................................................................
e	Total exempt purpose expenditures (add lines 1c and 1d) ...............................................
f	Lobbying nontaxable amount. Enter the amount from the following table in both columns.
	If the amount on line 1e, column (a) or (b) is:The lobbying nontaxable amount is:
	Not over $500,00020% of the amount on line 1e.
	Over $500,000 but not over $1,000,000$100,000 plus 15% of the excess over $500,000.
	Over $1,000,000 but not over $1,500,000$175,000 plus 10% of the excess over $1,000,000.
	Over $1,500,000 but not over $17,000,000$225,000 plus 5% of the excess over $1,500,000.
	Over $17,000,000$1,000,000.

g	Grassroots nontaxable amount (enter 25% of line 1f) .................................................
h	Subtract line 1g from line 1a. If zero or less, enter -0-. ................................................
i	Subtract line 1f from line 1c. If zero or less, enter -0-. ................................................
j	If there is an amount other than zero on either line 1h or line 1i, did the organization file Form 4720 reporting section 4911 tax for this year? ...................................................................................................................	Yes No

4-Year Averaging Period Under section 501(h) (Some organizations that made a section 501(h) election do not have to complete all of the five columns below. See the separate instructions for lines 2a through 2f.)
Lobbying Expenditures During 4-Year Averaging Period
	Calendar year (or fiscal year beginning in)	(a) 2015	(b) 2016	(c) 2017	(d) 2018	(e) Total

2a	Lobbying nontaxable amount

b	Lobbying ceiling amount (150% of line 2a, column(e))

c	Total lobbying expenditures

d	Grassroots nontaxable amount

e	Grassroots ceiling amount (150% of line 2d, column (e))

f	Grassroots lobbying expenditures

Schedule C (Form 990 or 990-EZ) 2018

Page 3

Part II-B

Complete if the organization is exempt under section 501(c)(3) and has NOT filed Form 5768 (election under section 501(h)).

For each "Yes" response on lines 1a through 1i below, provide in Part IV a detailed description of the lobbying activity.

(a)

Yes

(b)

Amount

During the year, did the filing organization attempt to influence foreign, national, state or local legislation, including any attempt to influence public opinion on a legislative matter or referendum, through the use of:

Volunteers? ...........................................................................................................

Paid staff or management (include compensation in expenses reported on lines 1c through 1i)? ........

Media advertisements? ...................................................................................................

Mailings to members, legislators, or the public? .............................................................................

Publications, or published or broadcast statements? ...........................................................

Grants to other organizations for lobbying purposes? ..........................................................

Direct contact with legislators, their staffs, government officials, or a legislative body? .......................

Rallies, demonstrations, seminars, conventions, speeches, lectures, or any similar means? ..................

Other activities? ...................................................................................................................

Total. Add lines 1c through 1i ....................................................................................................

Did the activities in line 1 cause the organization to be not described in section 501(c)(3)? .....

If "Yes," enter the amount of any tax incurred under section 4912 ...........................................

If "Yes," enter the amount of any tax incurred by organization managers under section 4912 ...................

If the filing organization incurred a section 4912 tax, did it file Form 4720 for this year? ........................

Part III-A

Complete if the organization is exempt under section 501(c)(4), section 501(c)(5), or section 501(c)(6).

Yes

Were substantially all (90% or more) dues received nondeductible by members? ...............................................

Did the organization make only in-house lobbying expenditures of $2,000 or less? ............................................

Did the organization agree to carry over lobbying and political expenditures from the prior year? .................................

Yes

Part III-B

Complete if the organization is exempt under section 501(c)(4), section 501(c)(5), or section 501(c)(6) and if either (a) BOTH Part III-A, lines 1 and 2, are answered "No" OR (b) Part III-A, line 3, is answered “Yes."

Dues, assessments and similar amounts from members ......................................................................

2,755,205

Section 162(e) nondeductible lobbying and political expenditures (do not include amounts of political expenses for which the section 527(f) tax was paid).

Current year .............................................................................................................................

685,310

Carryover from last year ............................................................................................................

171,144

Total ...........................................................................................................................................

856,454

Aggregate amount reported in section 6033(e)(1)(A) notices of nondeductible section 162(e) dues .

867,629

If notices were sent and the amount on line 2c exceeds the amount on line 3, what portion of the excess does the organization agree to carryover to the reasonable estimate of nondeductible lobbying and political expenditure next year? ......................................................................................................................

-11,175

Taxable amount of lobbying and political expenditures (see instructions) .........................................

Part IV

Supplemental Information

Provide the descriptions required for Part l-A, line 1; Part l-B, line 4; Part l-C, line 5; Part II-A (affiliated group list); Part II-A, lines 1 and 2 (see instructions), and Part ll-B, line 1. Also, complete this part for any additional information.

Return Reference	Explanation

Schedule C (Form 990 or 990EZ) 2018

Additional Data

Software ID:
Software Version:

- TIN:

SCHEDULE D
(Form 990)

Department of the Treasury
Internal Revenue Service

Supplemental Financial Statements

Complete if the organization answered "Yes," on Form 990,
Part IV, line 6, 7, 8, 9, 10, 11a, 11b, 11c, 11d, 11e, 11f, 12a, or 12b.
SchDMd Bullet

Attach to Form 990.
SchDMd Bullet

Go to www.irs.gov/Form990 for the latest information.

OMB No. 1545-0047

2018

Open to Public Inspection

Name of the organization

INFECTIOUS DISEASES SOCIETY OF AMERICA

Employer identification number

23-7045686

Part I

Organizations Maintaining Donor Advised Funds or Other Similar Funds or Accounts. Complete if the organization answered "Yes" on Form 990, Part IV, line 6.

		(a) Donor advised funds	(b) Funds and other accounts
1	Total number at end of year .........
2	Aggregate value of contributions to (during year)
3	Aggregate value of grants from (during year)
4	Aggregate value at end of year ........

Did the organization inform all donors and donor advisors in writing that the assets held in donor advised funds are the organization’s property, subject to the organization’s exclusive legal control? ............

Yes No

Did the organization inform all grantees, donors, and donor advisors in writing that grant funds can be used only for charitable purposes and not for the benefit of the donor or donor advisor, or for any other purpose conferring impermissible private benefit? ...................................

Yes No

Part II

Conservation Easements. Complete if the organization answered "Yes" on Form 990, Part IV, line 7.

Purpose(s) of conservation easements held by the organization (check all that apply).

Preservation of land for public use (e.g., recreation or education) Preservation of an historically important land area

Protection of natural habitat Preservation of a certified historic structure

Preservation of open space

Complete lines 2a through 2d if the organization held a qualified conservation contribution in the form of a conservation easement on the last day of the tax year.


a	Total number of conservation easements ......................	2a
b	Total acreage restricted by conservation easements ....................	2b
c	Number of conservation easements on a certified historic structure included in (a) .....	2c
d	Number of conservation easements included in (c) acquired after 7/25/06, and not on a historic structure listed in the National Register ...	2d

Number of conservation easements modified, transferred, released, extinguished, or terminated by the organization during the
tax year SchDMd Bullet

Number of states where property subject to conservation easement is located SchDMd Bullet

Does the organization have a written policy regarding the periodic monitoring, inspection, handling of violations, and enforcement of the conservation easements it holds? ............

Yes No

Staff and volunteer hours devoted to monitoring, inspecting, handling of violations, and enforcing conservation easements during the year
SchDMd Bullet

Amount of expenses incurred in monitoring, inspecting, handling of violations, and enforcing conservation easements during the year
SchDMd Bullet

Does each conservation easement reported on line 2(d) above satisfy the requirements of section 170(h)(4)(B)(i) and section 170(h)(4)(B)(ii)? .............................

Yes No

In Part XIII, describe how the organization reports conservation easements in its revenue and expense statement, and
balance sheet, and include, if applicable, the text of the footnote to the organization’s financial statements that describes
the organization’s accounting for conservation easements.

Part III

Organizations Maintaining Collections of Art, Historical Treasures, or Other Similar Assets.
Complete if the organization answered "Yes" on Form 990, Part IV, line 8.

If the organization elected, as permitted under SFAS 116 (ASC 958), not to report in its revenue statement and balance sheet works of art, historical treasures, or other similar assets held for public exhibition, education, or research in furtherance of public service, provide, in Part XIII, the text of the footnote to its financial statements that describes these items.

If the organization elected, as permitted under SFAS 116 (ASC 958), to report in its revenue statement and balance sheet works of art, historical treasures, or other similar assets held for public exhibition, education, or research in furtherance of public service, provide the following amounts relating to these items:

(i)

Revenue included on Form 990, Part VIII, line 1 ......................... SchDMd Bullet

(ii)

Assets included in Form 990, Part X ............................... SchDMd Bullet

If the organization received or held works of art, historical treasures, or other similar assets for financial gain, provide the
following amounts required to be reported under SFAS 116 (ASC 958) relating to these items:

Revenue included on Form 990, Part VIII, line 1 .......................... SchDMd Bullet

Assets included in Form 990, Part X ............................... SchDMd Bullet

For Paperwork Reduction Act Notice, see the Instructions for Form 990.

Cat. No. 52283D

Schedule D (Form 990) 2018

Page 2

Part III

Organizations Maintaining Collections of Art, Historical Treasures, or Other Similar Assets (continued)

Using the organization’s acquisition, accession, and other records, check any of the following that are a significant use of its collection items (check all that apply):

Public exhibition

Loan or exchange programs

Scholarly research

Other

Preservation for future generations

Provide a description of the organization’s collections and explain how they further the organization’s exempt purpose in
Part XIII.

During the year, did the organization solicit or receive donations of art, historical treasures or other similar
assets to be sold to raise funds rather than to be maintained as part of the organization’s collection?...

Yes No

Part IV

Escrow and Custodial Arrangements. Complete if the organization answered "Yes" on Form 990, Part IV, line 9, or reported an amount on Form 990, Part X, line 21.

Is the organization an agent, trustee, custodian or other intermediary for contributions or other assets not
included on Form 990, Part X? ....................................

Yes No


b	If "Yes," explain the arrangement in Part XIII and complete the following table:		Amount
c	Beginning balance .............................	1c
d	Additions during the year ............................	1d
e	Distributions during the year ..........................	1e
f	Ending balance ................................	1f

Did the organization include an amount on Form 990, Part X, line 21, for escrow or custodial account liability? ...

Yes No

If "Yes," explain the arrangement in Part XIII. Check here if the explanation has been provided in Part XIII ....

Part V

Endowment Funds. Complete if the organization answered "Yes" on Form 990, Part IV, line 10.

		(a)Current year	(b)Prior year	(c)Two years back	(d)Three years back	(e)Four years back

1a	Beginning of year balance ....
b	Contributions ...
c	Net investment earnings, gains, and losses
d	Grants or scholarships ...
e	Other expenditures for facilities and programs ...
f	Administrative expenses ....
g	End of year balance ......

Provide the estimated percentage of the current year end balance (line 1g, column (a)) held as:

Board designated or quasi-endowment SchDMd Bullet

Permanent endowment SchDMd Bullet

Temporarily restricted endowment SchDMd Bullet

The percentages on lines 2a, 2b, and 2c should equal 100%.

Are there endowment funds not in the possession of the organization that are held and administered for the
organization by:

Yes

(i) unrelated organizations .................

3a(i)

(ii) related organizations .................

3a(ii)

If "Yes" on 3a(ii), are the related organizations listed as required on Schedule R? .........

Describe in Part XIII the intended uses of the organization's endowment funds.

Part VI

Land, Buildings, and Equipment.
Complete if the organization answered "Yes" on Form 990, Part IV, line 11a. See Form 990, Part X, line 10.

Description of property		(a) Cost or other basis (investment)	(b) Cost or other basis (other)	(c) Accumulated depreciation	(d) Book value

1a	Land .....
b	Buildings ....
c	Leasehold improvements	28,330	24,339	3,991
d	Equipment ....	491,808	423,849	67,959
e	Other .....	1,332,842	283,452	1,049,390
Total. Add lines 1a through 1e. (Column (d) must equal Form 990, Part X, column (B), line 10(c).)..				1,121,340

Schedule D (Form 990) 2018

Page 3

Part VII

InvestmentsOther Securities. Complete if the organization answered "Yes" on Form 990, Part IV, line 11b. See Form 990, Part X, line 12.

(a) Description of security or category (including name of security)	(b) Book value	(c) Method of valuation: Cost or end-of-year market value
(1) Financial derivatives.........
(2) Closely-held equity interests........
(3)Other
(A)
(B)
(C)
(D)
(E)
(F)
(G)
(H)
Total. (Column (b) must equal Form 990, Part X, col. (B) line 12.)

Part VIII

InvestmentsProgram Related. Complete if the organization answered 'Yes' on Form 990, Part IV, line 11c. See Form 990, Part X, line 13.

(a) Description of investment	(b) Book value	(c) Method of valuation: Cost or end-of-year market value

(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
Total. (Column (b) must equal Form 990, Part X, col.(B) line 13.)

Part IX

Other Assets. Complete if the organization answered 'Yes' on Form 990, Part IV, line 11d. See Form 990, Part X, line 15.

(a) Description				(b) Book value

(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
Total. (Column (b) must equal Form 990, Part X, col.(B) line 15.)...........

Part X

Other Liabilities. Complete if the organization answered 'Yes' on Form 990, Part IV, line 11e or 11f. See Form 990, Part X, line 25.

1.(a) Description of liability	(b) Book value
(1) Federal income taxes
DEFERRED RENT	127,463
DEFERRED COMPENSATION PLAN LIABILITY	30,240
(3)
(4)
(5)
(6)
(7)
(8)
(9)
Total. (Column (b) must equal Form 990, Part X, col.(B) line 25.)	157,703
2. Liability for uncertain tax positions. In Part XIII, provide the text of the footnote to the organization's financial statements that reports the organization's liability for uncertain tax positions under FIN 48 (ASC 740). Check here if the text of the footnote has been provided in Part XIII

Schedule D (Form 990) 2018

Page 4

Part XI Reconciliation of Revenue per Audited Financial Statements With Revenue per Return Complete if the organization answered 'Yes' on Form 990, Part IV, line 12a.
1	Total revenue, gains, and other support per audited financial statements .......			1	20,935,837
2	Amounts included on line 1 but not on Form 990, Part VIII, line 12:
a	Net unrealized gains (losses) on investments ....	2a	-2,468,696
b	Donated services and use of facilities .........	2b
c	Recoveries of prior year grants ...........	2c
d	Other (Describe in Part XIII.) ............	2d
e	Add lines 2a through 2d .....................			2e	-2,468,696
3	Subtract line 2e from line 1..................			3	23,404,533
4	Amounts included on Form 990, Part VIII, line 12, but not on line 1:
a	Investment expenses not included on Form 990, Part VIII, line 7b .	4a	146,102
b	Other (Describe in Part XIII.) ...........	4b
c	Add lines 4a and 4b....................			4c	146,102
5	Total revenue. Add lines 3 and 4c. (This must equal Form 990, Part I, line 12.) ......			5	23,550,635

Part XII Reconciliation of Expenses per Audited Financial Statements With Expenses per Return. Complete if the organization answered 'Yes' on Form 990, Part IV, line 12a.
1	Total expenses and losses per audited financial statements ...........			1	22,903,190
2	Amounts included on line 1 but not on Form 990, Part IX, line 25:
a	Donated services and use of facilities .........	2a
b	Prior year adjustments ............	2b
c	Other losses ................	2c
d	Other (Describe in Part XIII.) ............	2d
e	Add lines 2a through 2d....................			2e	0
3	Subtract line 2e from line 1...................			3	22,903,190
4	Amounts included on Form 990, Part IX, line 25, but not on line 1:
a	Investment expenses not included on Form 990, Part VIII, line 7b ..	4a	146,102
b	Other (Describe in Part XIII.) ............	4b
c	Add lines 4a and 4b.....................			4c	146,102
5	Total expenses. Add lines 3 and 4c. (This must equal Form 990, Part I, line 18.) ......			5	23,049,292

Part XIII

Supplemental Information

Provide the descriptions required for Part II, lines 3, 5, and 9; Part III, lines 1a and 4; Part lV, lines 1b and 2b; Part V, line 4; Part X, line 2; Part XI, lines 2d and 4b; and Part XII, lines 2d and 4b. Also complete this part to provide any additional information.

Return Reference	Explanation

Schedule D (Form 990) 2018

Additional Data

Software ID:
Software Version:

- TIN:

SCHEDULE F(Form 990)

Department of the Treasury
Internal Revenue Service

Statement of Activities Outside the United States

Complete if the organization answered "Yes" to Form 990, Part IV, line 14b, 15, or 16. Right pointing arrow large image

Attach to Form 990. Right pointing arrow large image

Go to www.irs.gov/Form990 for instructions and the latest information.

OMB No. 1545-0047

2018

Open to Public Inspection

Name of the organization
INFECTIOUS DISEASES SOCIETY OF AMERICA

Employer identification number

23-7045686

Part I

General Information on Activities Outside the United States. Complete if the organization answered "Yes" to Form 990, Part IV, line 14b.

For grantmakers. Does the organization maintain records to substantiate the amount of its grants and

other assistance, the grantees’ eligibility for the grants or assistance, and the selection criteria used

to award the grants or assistance? . . . . . . . . . . . . . . . . . . . . . . . . .

Yes

For grantmakers. Describe in Part V the organization’s procedures for monitoring the use of its grants and other assistance outside the United States.

Activites per Region. (The following Part I, line 3 table can be duplicated if additional space is needed.)

(a) Region		(b) Number of offices in the region	(c) Number of employees, agents, and independent contractors in region	(d) Activities conducted in region (by type) (e.g., fundraising, program services, investments, grants to recipients located in the region)	(e) If activity listed in (d) is a program service, describe specific type of service(s) in region	(f) Total expenditures for and investments in region
	SUB-SAHARAN AFRICA	0	0	PROGRAM SERVICE ACTIVITIES	MEETING TRAVEL REIMBURSEMENTS	4,500
	MIDDLE EAST AND NORTH AFRICA	0	0	GRANTMAKING		1,600
	SOUTH ASIA	0	0	GRANTMAKING		3,100
	SOUTH ASIA	0	0	PROGRAM SERVICE ACTIVITIES	MEETING TRAVEL REIMBURSMENT	4,682
	EAST ASIA AND THE PACIFIC	0	0	PROGRAM SERVICE ACTIVITIES	CID EDITORIAL SERVICES	13,000
	CENTRAL AMERICA AND THE CARIBBEAN	0	0	PROGRAM SERVICE ACTIVITIES	SPEAKER REIMBURSEMENT	2,197
	CENTRAL AMERICA AND THE CARIBBEAN	0	0	GRANTMAKING		1,600
	EUROPE (INCLUDING ICELAND & GREENLAND)	0	0	PROGRAM SERVICE ACTIVITIES	OUP JOURNAL PUBLISHING	967,801
	EUROPE (INCLUDING ICELAND & GREENLAND)	0	0	PROGRAM SERVICE ACTIVITIES	MEETING TRAVEL REIMBURSEMENTS	31,469
	EUROPE (INCLUDING ICELAND & GREENLAND)	0	0	GRANTMAKING		6,250
	EUROPE (INCLUDING ICELAND & GREENLAND)	0	0	PROGRAM SERVICE ACTIVITIES	EDITORIAL SUPPORT	5,536
	NORTH AMERICA	0	0	PROGRAM SERVICE ACTIVITIES	MEETING TRAVEL REIMBURSEMENTS	12,192
	NORTH AMERICA	0	0	PROGRAM SERVICE ACTIVITIES	LEGAL FEES	1,507
	NORTH AMERICA	0	0	PROGRAM SERVICE ACTIVITIES	EDITORIAL SUPPORT	23,638
	NORTH AMERICA	0	0	PROGRAM SERVICE ACTIVITIES	REFUND - MEMBERSHIP	280
	NORTH AMERICA	0	0	PROGRAM SERVICE ACTIVITIES	GUIDELINES CONSULTANT	135,002

3a	Sub-total .....	0	0			998,480
b	Total from continuation sheets to Part I ...					215,874
c	Totals (add lines 3a and 3b)	0	0			1,214,354

For Paperwork Reduction Act Notice, see the Instructions for Form 990.Cat. No. 50082W Schedule F (Form 990) 2018

Schedule F (Form 990) 2018

Page 2

Part II

Grants and Other Assistance to Organizations or Entities Outside the United States. Complete if the organization answered "Yes" to Form 990, Part IV, line 15, for any recipient who received more than $5,000. Part II can be duplicated if additional space is needed.

1 (a) Name of organization		(b) IRS code section and EIN (if applicable)	(c) Region	(d) Purpose of grant	(e) Amount of cash grant	(f) Manner of cash disbursement	(g) Amount of non-cash assistance	(h) Description of non-cash assistance	(i) Method of valuation (book, FMV, appraisal, other)

2	Enter total number of recipient organizations listed above that are recognized as charities by the foreign country, recognized as tax-exempt by the IRS, or for which the grantee or counsel has provided a section 501(c)(3) equivalency letter .......
3	Enter total number of other organizations or entities .......................

Schedule F (Form 990) 2018

Schedule F (Form 990) 2018Page 3

Part III

Grants and Other Assistance to Individuals Outside the United States. Complete if the organization answered "Yes" to Form 990, Part IV, line 16.

Part III can be duplicated if additional space is needed.

	(b) Region	(c) Number of recipients	(d) Amount of cash grant	(e) Manner of cash disbursement
GUERRANT AWARD	MIDDLE EAST AND NORTH AFRICA - ALGERIA, BAHRAIN, DJIBOUTI, EGYPT,	1	1,600	WIRE TRANSFER
INTERNATIONAL INVESTIGATOR AWARD	EAST ASIA AND THE PACIFIC - AUSTRALIA, BRUNEI, BURMA, CAMBODIA,	1	1,500	WIRE TRANSFER
GUERRANT AWARD	EAST ASIA AND THE PACIFIC - AUSTRALIA, BRUNEI, BURMA, CAMBODIA,	1	1,600	WIRE TRANSFER
INTERNATIONAL INVESTIGATOR AWARD	EUROPE (INCLUDING ICELAND & GREENLAND) - ALBANIA, ANDORRA, AUSTRIA, BELGIU	4	6,250	WIRE TRANSFER
GUERRANT AWARD	CENTRAL AMERICA AND THE CARIBBEAN	1	1,600

Schedule F (Form 990) 2018

Page 4

Part IV

Foreign Forms

Schedule F (Form 990) 2018

Page 5

Part V

Supplemental Information
Provide the information required by Part I, line 2 (monitoring of funds); Part I, line 3, column (f) (accounting method; amounts of investments vs. expenditures per region); Part II, line 1 (accounting method); Part III (accounting method); and Part III, column (c) (estimated number of recipients), as applicable. Also complete this part to provide any additional information (see instructions).

ReturnReference	Explanation
PART I, LINE 2:	ALL SOCIETY AWARD WINNERS ARE REIMBURSED FOR EXPENSES INCURRED TO IDWEEK. THERE IS NO FOLLOW-UP MONITORING, AS IT IS A REIMBURSEMENT AND NO ACTION IS SPECIFIED - THE AWARD IS GIVEN FOR PAST ACHIEVEMENT.

Schedule F (Form 990) 2018

Additional Data

Software ID:
Software Version:

- TIN:

Note: To capture the full content of this document, please select landscape mode (11" x 8.5") when printing.

Schedule I
(Form 990)

Department of the Treasury
Internal Revenue Service

Grants and Other Assistance to Organizations,
Governments and Individuals in the United States

Complete if the organization answered "Yes," on Form 990, Part IV, line 21 or 22.
lBullet

Attach to Form 990.
lBullet

Go to www.irs.gov/Form990 for the latest information.

OMB No. 1545-0047

2018

Open to Public
Inspection

Name of the organization
INFECTIOUS DISEASES SOCIETY OF AMERICA

Employer identification number
23-7045686

Part I

General Information on Grants and Assistance

Does the organization maintain records to substantiate the amount of the grants or assistance, the grantees' eligibility for the grants or assistance, and
the selection criteria used to award the grants or assistance? ........................

Yes No

Describe in Part IV the organization's procedures for monitoring the use of grant funds in the United States.

Part II

Grants and Other Assistance to Domestic Organizations and Domestic Governments. Complete if the organization answered "Yes" on Form 990, Part IV, line 21, for any recipient

that received more than $5,000. Part II can be duplicated if additional space is needed.

(a) Name and address of organization or government	(b) EIN	(c) IRC section (if applicable)	(d) Amount of cash grant	(h) Purpose of grant or assistance
(1) IDSA EDUCATION AND RESEARCH FOUNDATION 1300 WILSON BOULEVARD SUITE 300 ARLINGTON,VA22209	31-1765388	501(C)(3)	863,388	PROGRAM SERVICE ACCOMPLISHMENTS
(2) VANDERBILT UNIVERSITY MEDICAL CENTER 1211 MEDICAL CENTER DRIVE NASHVILLE,TN37232	35-2528741	501(C)(3)	50,000	LEAP FELLOWSHIP AWARD
(3) PRATT MEDICAL GROUP INC 800 WASHINGTON STREET - BOX 1013 BOSTON,MA02111	04-2743894	FOR PROFIT	50,000	LEAP FELLOWSHIP AWARD
(4) YALE UNIVERSITY SCHOOL OF MEDICINE 300 CEDAR STREET NEW HAVEN,CT06520	90-0230377	501(C)(3)	50,000	LEAP FELLOWSHIP AWARD
(5) BOSTON CHILDREN'S HOSPITAL 333 LONGWOOD AVENUE BOSTON,MA02115	04-2774441	501(C)(3)	50,000	LEAP FELLOWSHIP AWARD

Enter total number of section 501(c)(3) and government organizations listed in the line 1 table ................. Bullet Image

Enter total number of other organizations listed in the line 1 table ........................ . Bullet Image

For Paperwork Reduction Act Notice, see the Instructions for Form 990.

Cat. No. 50055P

Schedule I (Form 990) 2018

Page 2

Part III

Grants and Other Assistance to Domestic Individuals. Complete if the organization answered "Yes" on Form 990, Part IV, line 22.
Part III can be duplicated if additional space is needed.

(a) Type of grant or assistance	(b) Number of recipients	(c) Amount of cash grant	(d) Amount of noncash assistance	(e) Method of valuation (book, FMV, appraisal, other)	(f) Description of noncash assistance

(1) GUERRANT AWARD	1	1,600
(2) KASS AWARD	7	5,250
(3) DIAGNOSTIC AWARDS	6	13,500
(4) IDWEEK TRAVEL GRANT	275	240,500
(5) INTERNATIONAL INVESTIGATOR AWARD	9	14,750
(6) DOMESTIC INVESTIGATOR AWARD	4	5,000
(7) IDEA INCUBATOR AWARD	3	17,000
(7)

Part IV

Supplemental Information. Provide the information required in Part I, line 2; Part III, column (b); and any other additional information.

Return Reference	Explanation
PART I, LINE 2:	TRAVEL GRANTS AND AWARDS ARE DISBURSED AT MEETINGS; WIRES ARE SENT POST-MEETING ATTENDANCE CONFIRMATION RESEARCH AND FELLOWSHIPS ARE REQUIRED TO SUBMIT WRITTEN RESULTS POST AWARD PERIOD.

Schedule I (Form 990) 2018

Additional Data

Software ID:
Software Version:

- TIN:

Schedule J
(Form 990)

Department of the Treasury
Internal Revenue Service

Compensation Information

For certain Officers, Directors, Trustees, Key Employees, and Highest
Compensated Employees
SchJMediumBullet

Complete if the organization answered "Yes" on Form 990, Part IV, line 23.
SchJMediumBullet

Attach to Form 990.
SchJMediumBullet

Go to www.irs.gov/Form990 for instructions and the latest information.

OMB No. 1545-0047

2018

Open to Public Inspection

Name of the organization

INFECTIOUS DISEASES SOCIETY OF AMERICA

Employer identification number

23-7045686

Part I

Questions Regarding Compensation

Yes

Check the appropiate box(es) if the organization provided any of the following to or for a person listed on Form
990, Part VII, Section A, line 1a. Complete Part III to provide any relevant information regarding these items.

First-class or charter travel Housing allowance or residence for personal use

Travel for companions Payments for business use of personal residence

Tax idemnification and gross-up payments Health or social club dues or initiation fees

Discretionary spending account Personal services (e.g., maid, chauffeur, chef)

If any of the boxes in line 1a are checked, did the organization follow a written policy regarding payment or reimbursement or provision of all of the expenses described above? If "No," complete Part III to explain .........

Did the organization require substantiation prior to reimbursing or allowing expenses incurred by all
directors, trustees, officers, including the CEO/Executive Director, regarding the items checked in line 1a? ..

Indicate which, if any, of the following the filing organization used to establish the compensation of the
organization's CEO/Executive Director. Check all that apply. Do not check any boxes for methods
used by a related organization to establish compensation of the CEO/Executive Director, but explain in Part III.

Compensation committee Written employment contract

Independent compensation consultant Compensation survey or study

Form 990 of other organizations Approval by the board or compensation committee

During the year, did any person listed on Form 990, Part VII, Section A, line 1a, with respect to the filing organization or a related organization:

Receive a severance payment or change-of-control payment? .............

Participate in, or receive payment from, a supplemental nonqualified retirement plan? .........

Participate in, or receive payment from, an equity-based compensation arrangement? .........

If "Yes" to any of lines 4a-c, list the persons and provide the applicable amounts for each item in Part III.

Only 501(c)(3), 501(c)(4), and 501(c)(29) organizations must complete lines 5-9.

For persons listed on Form 990, Part VII, Section A, line 1a, did the organization pay or accrue any
compensation contingent on the revenues of:

The organization? ....................

Any related organization? .......................

If "Yes," on line 5a or 5b, describe in Part III.

For persons listed on Form 990, Part VII, Section A, line 1a, did the organization pay or accrue any
compensation contingent on the net earnings of:

The organization? ..................

Any related organization? ......................

If "Yes," on line 6a or 6b, describe in Part III.

For persons listed on Form 990, Part VII, Section A, line 1a, did the organization provide any nonfixed
payments not described in lines 5 and 6? If "Yes," describe in Part III ............

Were any amounts reported on Form 990, Part VII, paid or accured pursuant to a contract that was
subject to the initial contract exception described in Regulations section 53.4958-4(a)(3)? If "Yes," describe
in Part III ..........................

If "Yes" on line 8, did the organization also follow the rebuttable presumption procedure described in Regulations section 53.4958-6(c)? .........................

For Paperwork Reduction Act Notice, see the Instructions for Form 990.

Cat. No. 50053T

Schedule J (Form 990) 2018

Page 2

Part II

Officers, Directors, Trustees, Key Employees, and Highest Compensated Employees. Use duplicate copies if additional space is needed.

For each individual whose compensation must be reported on Schedule J, report compensation from the organization on row (i) and from related organizations, described in the
instructions, on row (ii). Do not list any individuals that are not listed on Form 990, Part VII.
Note. The sum of columns (B)(i)-(iii) for each listed individual must equal the total amount of Form 990, Part VII, Section A, line 1a, applicable column (D) and (E) amounts for that individual.

(A) Name and Title		(B) Breakdown of W-2 and/or 1099-MISC compensation			(C) Retirement and other deferred compensation	(D) Nontaxable benefits	(E) Total of columns (B)(i)-(D)	(F) Compensation in column (B) reported as deferred on prior Form 990
(A) Name and Title		(i) Base compensation	(ii) Bonus & incentive compensation	(iii) Other reportable compensation	(C) Retirement and other deferred compensation	(D) Nontaxable benefits	(E) Total of columns (B)(i)-(D)
1CHRIS BUSKY CEO	(i) (ii)	341,087 ------------- 17,952	64,838 ------------- 3,413	5,933 ------------- 312	30,613 ------------- 1,611	23,249 ------------- 1,224	465,720 ------------- 24,512	0 ------------- 0
2BARTON GROH VP, FINANCE & ADMINISTRATION	(i) (ii)	151,803 ------------- 32,201	0 ------------- 0	6,320 ------------- 1,341	8,900 ------------- 1,888	14,298 ------------- 3,033	181,321 ------------- 38,463	0 ------------- 0
3SANDRA VURA HARWOOD VP, MEETINGS & EDUCATION	(i) (ii)	204,123 ------------- 0	10,000 ------------- 0	7,591 ------------- 0	12,514 ------------- 0	20,043 ------------- 0	254,271 ------------- 0	0 ------------- 0
4AMANDA JEZEK SVP, PUBLIC POLICY & GOVERNMENT RELA	(i) (ii)	190,685 ------------- 0	0 ------------- 0	11,080 ------------- 0	11,684 ------------- 0	24,361 ------------- 0	237,810 ------------- 0	0 ------------- 0
5ANDREA WEDDLE EXECUTIVE DIRECTOR, HIVMA	(i) (ii)	162,512 ------------- 8,553	0 ------------- 0	1,344 ------------- 71	9,042 ------------- 476	9,010 ------------- 474	181,908 ------------- 9,574	0 ------------- 0
6ANDRES RODRIGUEZ VP, CLINICAL AFFAIRS & GUIDELINES	(i) (ii)	187,754 ------------- 0	0 ------------- 0	2,958 ------------- 0	10,618 ------------- 0	10,681 ------------- 0	212,011 ------------- 0	0 ------------- 0
7DAVID MOLDAVSKY VP, DIGITAL AND TECHNOLOGY STRATEGY	(i) (ii)	110,942 ------------- 8,995	13,875 ------------- 1,125	4,706 ------------- 382	4,685 ------------- 380	16,719 ------------- 1,356	150,927 ------------- 12,238	0 ------------- 0
8FELICITY CLANCY VP, MARKETING, COMMUNICATIONS, AND M	(i) (ii)	130,740 ------------- 0	0 ------------- 0	5,064 ------------- 0	7,704 ------------- 0	18,005 ------------- 0	161,513 ------------- 0	0 ------------- 0
9SALANDRA FLEMING VP, TALENT AND ORGANIZATIONAL DEVELO	(i) (ii)	172,161 ------------- 13,959	0 ------------- 0	496 ------------- 40	8,909 ------------- 722	8,842 ------------- 717	190,408 ------------- 15,438	0 ------------- 0
10JOHN BUCKLEY DIRECTOR OF MEETING SERVICES	(i) (ii)	129,310 ------------- 0	1,000 ------------- 0	8,602 ------------- 0	8,077 ------------- 0	23,826 ------------- 0	170,815 ------------- 0	0 ------------- 0
11RACHEL SHNEKENDORF DIRECTOR OF EDUCATION	(i) (ii)	126,247 ------------- 0	4,000 ------------- 0	4,134 ------------- 0	7,824 ------------- 0	9,458 ------------- 0	151,663 ------------- 0	0 ------------- 0

Schedule J (Form 990) 2018

Page 3

Part III

Supplemental Information

Provide the information, explanation, or descriptions required for Part I, lines 1a, 1b, 3, 4a, 4b, 4c, 5a, 5b, 6a, 6b, 7, and 8, and for Part II. Also complete this part for any additional information.

Return Reference	Explanation

Schedule J (Form 990) 2018

Additional Data

Software ID:
Software Version:

- TIN:

SCHEDULE O
(Form 990 or 990-EZ)

Department of the Treasury
Internal Revenue Service

Supplemental Information to Form 990 or 990-EZ

Complete to provide information for responses to specific questions on
Form 990 or 990-EZ or to provide any additional information.
MediumBullet

Attach to Form 990 or 990-EZ.
MediumBullet

Go to www.irs.gov/Form990 for the latest information.

OMB No. 1545-0047

2018

Open to Public
Inspection

Name of the organization

INFECTIOUS DISEASES SOCIETY OF AMERICA

Employer identification number

23-7045686

Return Reference	Explanation
FORM 990, PART VI, SECTION A, LINE 1	THE EXECUTIVE COMMITTEE OF THE BOARD OF DIRECTORS SHALL CONSIST OF THE PRESIDENT, VICE PRESIDENT, PRESIDENT ELECT, IMMEDIATE PAST PRESIDENT, SECRETARY, AND TREASURER. THE EXECUTIVE COMMITTEE WILL BE RESPONSIBLE FOR THE MANAGEMENT AND DIRECTION OF THE CORPORATION AND CONDUCT THE AFFAIRS OF THE CORPORATION DURING THE INTERVALS BETWEEN MEETINGS OF THE BOARD OF DIRECTORS; FOR ASSISTING THE PRESIDENT IN THE OVERSIGHT OF THE ADMINISTRATIVE INFRASTRUCTURE OF THE SOCIETY; FOR SERVING AS AN ADVISORY BODY TO THE PRESIDENT; AND FOR REPORTING ALL OF ITS ACTIONS TO THE BOARD OF DIRECTORS FOR REVIEW AND/OR APPROVAL.
FORM 990, PART VI, SECTION A, LINE 6	THE CATEGORIES OF MEMBERSHIP INCLUDE: MEMBER, FELLOW, MEMBER-IN-TRAINING, ASSOCIATE MEMBER, AND MEDICAL STUDENT OR RESIDENT MEMBER. SOME MEMBERS OR FELLOWS MAY BE FURTHER CLASSIFIED AS HONORARY OR EMERITUS.
FORM 990, PART VI, SECTION A, LINE 7A	ALL MEMBERS OF THE BOARD OF DIRECTORS ARE ELECTED BY THE MEMBERSHIP AT LARGE. MEMBERS AND FELLOWS ARE FULL VOTING MEMBERS OF THE SOCIETY.
FORM 990, PART VI, SECTION A, LINE 7B	THE BYLAWS MAY BE AMENDED, ALTERED, CHANGED, ADDED TO, OR REPEALED BY THE AFFIRMATIVE VOTE OF AT LEAST TWO-THIRDS OF THE VOTING MEMBERS PRESENT AND VOTING AT ANY REGULAR OR SPECIAL MEETING OF SUCH MEMBERS OR BY AFFIRMATIVE VOTE OF AT LEAST TWO-THIRDS OF THOSE VOTING BY MAIL BALLOT.
FORM 990, PART VI, SECTION B, LINE 11B	THE FORM 990 IS REVIEWED BY THE CEO AND VP OF FINANCE & ADMINISTRATION BEFORE IT IS FILED. A COPY OF THE FORM 990 IS THEN PROVIDED TO EACH MEMBER OF THE BOARD OF DIRECTORS.
FORM 990, PART VI, SECTION B, LINE 12C	IDSA REQUIRES THAT ALL VOLUNTEERS FOR OUR BOARD AND COMMITTEES SUBMIT A CONFLICT OF INTEREST (COI) REPORT ON AN ANNUAL BASIS. TOP EMPLOYEES ARE ALSO REQUIRED TO SUBMIT A COI ON AN ANNUAL BASIS. IN THE EVENT THAT A MEMBER WOULD HAVE A CONFLICT RELATED TO ANY DISCUSSION/VOTE, THE MEMBER IS REQUIRED TO ABSTAIN FROM PARTICIPATING IN THE DISCUSSION/VOTE. IF STAFF WOULD HAVE A CONFLICT WITH AN AREA OR COMPANY WE ARE WORKING WITH, THE STAFF MEMBER WOULD NOT BE ALLOWED TO WORK ON/WITH THE PROJECT INVOLVING THAT AREA OR COMPANY. STAFF COIS ARE VIEWED BY THE CEO AND HE DETERMINES WHEN THIS MIGHT BE THE CASE. THE CEO CONFLICT REPORT IS SHARED WITH THE EXECUTIVE COMMITTEE OF THE BOARD AND THEY WOULD DETERMINE IF THE CEO HAS A CONFLICT.
FORM 990, PART VI, SECTION B, LINE 15	CEO COMPENSATION: (A) REVIEW AND APPROVAL IS DONE BY THE FULL BOARD, MEETING IN EXECUTIVE SESSION, (B) COMPARABILITY DATA IS OBTAINED FROM ASAE AND USED FOR DETERMINING COMPENSATION, (C) THERE ARE NO MINUTES OF THE EXECUTIVE SESSION, SO NO WRITTEN DELIBERATION. WRITTEN DECISION IS FORWARDED TO THE VP OF FINANCE AND ADMINISTRATION TO PLACE IN PERSONNEL FILE AND APPLY ON PAYROLL. STAFF COMPENSATION: (A) REVIEW IS DONE BY THE EMPLOYEE SUPERVISOR AND APPROVAL IS DONE BY THE CEO (BOARD APPROVES THE OVERALL SALARY BUDGET, NOT INDIVIDUALS, EXCEPT FOR THE CEO), (B) COMPARABILITY DATA IS OBTAINED FROM ASAE AND USED FOR DETERMINING COMPENSATION, (C) EMPLOYEE PERFORMANCE REVIEWS ARE WRITTEN UP AND SIGNED BY THE REVIEWER BEFORE THE REVIEW HAPPENS AND THE EMPLOYEE BEING REVIEWED SIGNS AFTER IT IS DONE. THIS WRITTEN REVIEW IS USED TO SUBSTANTIATE ANY STAFF SALARY CHANGE TO THE CEO.
FORM 990, PART VI, SECTION C, LINE 19	THE GOVERNING DOCUMENTS AND CONFLICT OF INTEREST POLICY ARE NOT PUBLICLY AVAILABLE ON THE SOCIETY'S WEBSITE. UPON REQUEST, THEY ARE MADE AVAILABLE BASED ON BUSINESS NEED. THE AUDITED FINANCIAL STATEMENTS ARE AVAILABLE ON THE SOCIETY'S WEBSITE.
FORM 990, PART IX, LINE 11G	PUBLIC RELATIONS 322,822. RECRUITING & HR 40,718. RESEARCH & STUDIES 94,607. EXAM ADMINISTRATION 139,200. PUBLIC POLICY 100,547. EIN PROGRAM SERVICES 337,425. OTHER PROFESSIONAL FEES 1,384,635.
FORM 990, PART XII, LINE 2C:	THE AUDIT OVERSIGHT PROCESS HAS REMAINED UNCHANGED FROM THE PREVIOUS YEAR.

For Paperwork Reduction Act Notice, see the Instructions for Form 990 or 990-EZ.

Cat. No. 51056K

Schedule O (Form 990 or 990-EZ) 2018

Additional Data

Software ID:
Software Version:

- TIN:

SCHEDULE R
(Form 990)

Department of the Treasury
Internal Revenue Service

Related Organizations and Unrelated Partnerships

Complete if the organization answered "Yes" on Form 990, Part IV, line 33, 34, 35b, 36, or 37.
MediumBullet

Attach to Form 990.
MediumBullet

Go to www.irs.gov/Form990 for instructions and the latest information.

OMB No. 1545-0047

2018

Open to Public Inspection

Name of the organization

INFECTIOUS DISEASES SOCIETY OF AMERICA

Employer identification number

23-7045686

Part I

Identification of Disregarded Entities Complete if the organization answered "Yes" on Form 990, Part IV, line 33.

(a) Name, address, and EIN (if applicable) of disregarded entity	(b) Primary activity	(c) Legal domicile (state or foreign country)	(d) Total income	(e) End-of-year assets	(f) Direct controlling entity

Part II

Identification of Related Tax-Exempt Organizations Complete if the organization answered "Yes" on Form 990, Part IV, line 34 because it had one or more related tax-exempt organizations during the tax year.

(a) Name, address, and EIN of related organization	(b) Primary activity	(c) Legal domicile (state or foreign country)	(d) Exempt Code section	(e) Public charity status (if section 501(c)(3))	(f) Direct controlling entity	(g) Section 512(b)(13) controlled entity?
(a) Name, address, and EIN of related organization	(b) Primary activity	(c) Legal domicile (state or foreign country)	(d) Exempt Code section	(e) Public charity status (if section 501(c)(3))	(f) Direct controlling entity	Yes	No
(1)IDSA EDUCATION AND RESEARCH FOUNDATION 1300 WILSON BLVD ARLINGTON,VA22209 31-1765388	FUNDING INITIATIVES DEDICATED TO SUPPORTING IDSA'S MISSION WORLDWIDE	VA	501(C)(3)	509(A)(3)	IDSA	Yes

For Paperwork Reduction Act Notice, see the Instructions for Form 990.

Cat. No. 50135Y

Schedule R (Form 990) 2018

Page 2

Part III

Identification of Related Organizations Taxable as a Partnership Complete if the organization answered "Yes" on Form 990, Part IV, line 34 because it had one or more related organizations treated as a partnership during the tax year.

(a) Name, address, and EIN of related organization	(b) Primary activity	(c) Legal domicile (state or foreign country)	(d) Direct controlling entity	(f) Share of total income	(g) Share of end-of-year assets	(h) Disproprtionate allocations?		(i) Code V-UBI amount in box 20 of Schedule K-1 (Form 1065)	(j) General or managing partner?
(a) Name, address, and EIN of related organization	(b) Primary activity	(c) Legal domicile (state or foreign country)	(d) Direct controlling entity	(f) Share of total income	(g) Share of end-of-year assets	Yes	No	(i) Code V-UBI amount in box 20 of Schedule K-1 (Form 1065)	Yes	No

Part IV

Identification of Related Organizations Taxable as a Corporation or Trust Complete if the organization answered "Yes" on Form 990, Part IV, line 34 because it had one or more related organizations treated as a corporation or trust during the tax year.

(a) Name, address, and EIN of related organization	(b) Primary activity	(c) Legal domicile (state or foreign country)	(d) Direct controlling entity	(e) Type of entity (C corp, S corp, or trust)	(f) Share of total income	(g) Share of end-of-year assets	(i) Section 512(b)(13) controlled entity?
(a) Name, address, and EIN of related organization	(b) Primary activity	(c) Legal domicile (state or foreign country)	(d) Direct controlling entity	(e) Type of entity (C corp, S corp, or trust)	(f) Share of total income	(g) Share of end-of-year assets	Yes	No

Schedule R (Form 990) 2018

Page 3

Part V

Transactions With Related Organizations Complete if the organization answered "Yes" on Form 990, Part IV, line 34, 35b, or 36.

Note. Complete line 1 if any entity is listed in Parts II, III, or IV of this schedule.

Yes

1 During the tax year, did the orgranization engage in any of the following transactions with one or more related organizations listed in Parts II-IV?

a Receipt of (i) interest, (ii) annuities, (iii) royalties, or (iv) rent from a controlled entity .....................

b Gift, grant, or capital contribution to related organization(s) ............................

Yes

c Gift, grant, or capital contribution from related organization(s) ............................

d Loans or loan guarantees to or for related organization(s) ............................

e Loans or loan guarantees by related organization(s) ............................

f Dividends from related organization(s) ............................

g Sale of assets to related organization(s) ............................

h Purchase of assets from related organization(s) ............................

i Exchange of assets with related organization(s) ............................

j Lease of facilities, equipment, or other assets to related organization(s) .......................

k Lease of facilities, equipment, or other assets from related organization(s) ......................

l Performance of services or membership or fundraising solicitations for related organization(s) .....................

Yes

m Performance of services or membership or fundraising solicitations by related organization(s) .................

n Sharing of facilities, equipment, mailing lists, or other assets with related organization(s) ...................

Yes

o Sharing of paid employees with related organization(s) ............................

p Reimbursement paid to related organization(s) for expenses ............................

q Reimbursement paid by related organization(s) for expenses ............................

r Other transfer of cash or property to related organization(s) ............................

s Other transfer of cash or property from related organization(s) ............................

If the answer to any of the above is "Yes," see the instructions for information on who must complete this line, including covered relationships and transaction thresholds.

(a) Name of related organization	(b) Transaction type (a-s)	(c) Amount involved	(d) Method of determining amount involved
(1) IDSA EDUCATION & RESEARCH FOUNDATION	B	863,388	COST
(2) IDSA EDUCATION & RESEARCH FOUNDATION	L	168,570	COST
(3) IDSA EDUCATION & RESEARCH FOUNDATION	N	40,893	COST

Schedule R (Form 990) 2018

Page 4

Part VI

Unrelated Organizations Taxable as a Partnership Complete if the organization answered "Yes" on Form 990, Part IV, line 37.

Provide the following information for each entity taxed as a partnership through which the organization conducted more than five percent of its activities (measured by total assets or gross revenue) that was not a related organization. See instructions regarding exclusion for certain investment partnerships.

(a) Name, address, and EIN of entity	(b) Primary activity	(c) Legal domicile (state or foreign country)	(e) Are all partners section 501(c)(3) organizations?		(f) Share of total income	(g) Share of end-of-year assets	(h) Disproprtionate allocations?		(i) Code V-UBI amount in box 20 of Schedule K-1 (Form 1065)	(j) General or managing partner?
(a) Name, address, and EIN of entity	(b) Primary activity	(c) Legal domicile (state or foreign country)	Yes	No	(f) Share of total income	(g) Share of end-of-year assets	Yes	No	(i) Code V-UBI amount in box 20 of Schedule K-1 (Form 1065)	Yes	No

Schedule R (Form 990) 2018

Page 5

Part VII

Supplemental Information

Provide additional information for responses to questions on Schedule R (see instructions).

Return Reference	Explanation

Schedule R (Form 990) 2018

Additional Data

Software ID:
Software Version:

1	Was the organization a U.S. transferor of property to a foreign corporation during the tax year? If "Yes,"the organization may be required to file Form 926, Return by a U.S. Transferor of Property to a Foreign Corporation (see Instructions for Form 926). . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	Yes	No
2	Did the organization have an interest in a foreign trust during the tax year? If "Yes," the organization may be required to separately file Form 3520, Annual Return to Report Transactions with Foreign Trusts and Receipt of Certain Foreign Gifts, and/or Form 3520-A, Annual Information Return of Foreign Trust With a U.S. Owner (see Instructions for Forms 3520 and 3520-A; don't file with Form 990). . . . . . . . . . . . . . . . . . . . . . . .	Yes	No
3	Did the organization have an ownership interest in a foreign corporation during the tax year? If "Yes," the organization may be required to file Form 5471, Information Return of U.S. Persons with Respect to Certain Foreign Corporations. (see Instructions for Form 5471). . . . . . . . . . . . . . . . . . . . . . . . . . . .	Yes	No
4	Was the organization a direct or indirect shareholder of a passive foreign investment company or a qualified electing fund during the tax year? If “Yes,” the organization may be required to file Form 8621, Information Return by a Shareholder of a Passive Foreign Investment Company or Qualified Electing Fund. (see Instructions for Form 8621) .	Yes	No
5	Did the organization have an ownership interest in a foreign partnership during the tax year? If "Yes," the organization may be required to file Form 8865, Return of U.S. Persons with Respect to Certain Foreign Partnerships (see Instructions for Form 8865). . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	Yes	No
6	Did the organization have any operations in or related to any boycotting countries during the tax year? If "Yes," the organization may be required to separately file Form 5713, International Boycott Report (see Instructions for Form 5713; don't file with Form 990).. . . . . . . . . . . . . . . . . . . . . . . . . . . .	Yes	No