Wednesday, February 18, 2026 2/18/2026

De-duplication of Case Pairs in the National HIV Surveillance System Using the Black Box

Award Number: NU62PS924580
ORGANIZATION: NATIONAL CENTER FOR PREVENTION SERVICES
OPDIV: CDC
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: HEALTH SERVICES
PERIOD OF PERFORMANCE START DATE: 04/01/2018
PERIOD OF PERFORMANCE END DATE: 07/31/2024

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De-duplication of Case Pairs in the National HIV Surveillance System Using the Black Box - HIV, a leading cause of morbidity and mortality worldwide, continues to affect the United States, with heterogeneity in the geographic distribution of infection. Data sharing is essential to public health efforts as people often move across state jurisdictional boundaries for daily activities related to HIV services and everyday routines. One example is the geographically-linked, cross-jurisdictional National Capital Region: The District of Columbia, Maryland and Virginia. The Centers for Disease Control and Prevention (CDC) uses the biannual Routine Interstate Duplicate Review (RIDR) process to resolve duplicate records. The current RIDR process is laborious and requires manual processing and follow-up on possible case matches across jurisdictions. In response to these challenges, Georgetown University has designed and implemented an electronic, privacy-preserving, data sharing tool, known as the Black Box, to support de-duplication of cases in the National HIV Surveillance System (NHSS). The Black Box involves three elements: 1) the physical and hardware infrastructure, 2) the client interface, and 3) the ATra software. Within the Black Box, a special computer algorithm known as ATra performs the data verification, matching, and analytic functions. Led by Principal Investigator Dr. J Smart and Co-Principal Investigator Dr. Seble Kassaye, Georgetown University’s interdisciplinary team will recruit 59 jurisdictions and enroll all participating jurisdictions. Enrollment will include providing the client software, documentation, training, and support that will allow the jurisdictions to securely transfer their Enhanced HIV/AIDS Reporting System (eHARS) files to the Black Box. The Black Box will rapidly identify matches across all participating jurisdictions. Each jurisdiction will then download its unique match reports and use that output to help resolve their duplicate cases. This automated approach will free up valuable human resources; that is, the time traditionally spent on manual follow-up de-duplication. This project will build on the de-duplication work that the Georgetown University team began in 2015, when the Black Box was piloted in collaboration with the three public health jurisdictions in the National Capital Region. That pilot was then expanded to include RIDR case pairs from nine jurisdictions. The Black Box successfully completed the matching process for the nine jurisdictions in the fall of 2017. Recognizing the need for increased efficiency and enhanced de-duplication efforts, Georgetown University will collaborate with the 59 jurisdictions identified in this solicitation to expand the Black Box usage to improve data sharing and de-duplication efforts across the United States. Georgetown will manage this project through the Office of the Senior Vice President for Research and Chief Technology Officer, with an Executive Sponsor Team led by the Senior Vice President for Research and Chief Technology Officer, the University Chief Information Officer, and the Executive Vice President for Health Sciences to oversee the project. The Executive Sponsor Team will consist of ex-officio members of the Georgetown project team: the GU Principal Investigator, Co-Principal Investigator, Project Manager, OSVPR Business Manager, and GU Legal Counsel.


Issue Date FY	Funding FY	Legal Entity Name	Legal Entity Address	Legal Entity City	Legal Entity State	Legal Entity Zip Code	Legal Entity COUNTY	Legal Entity COUNTRY	Assistance Listing	Award Code	Budget Year	Action Date	Action Type	Action Amount

Issue Date FY: 2025 ( Subtotal = -$30,838 )
2025	2023	GEORGETOWN UNIVERSITY	MAIN CAMPUS	WASHINGTON	DC	20057	DISTRICT OF COLUMBIA	USA	HIV Prevention and Surveillance Activities-Health Department Based	02	5	9/30/2025	ADMINISTRATIVE SUPPLEMENT ( + OR - ) (DISCRETIONARY OR BLOCK AWARDS)	-$30,838
2025	2022	GEORGETOWN UNIVERSITY	MAIN CAMPUS	WASHINGTON	DC	20057	DISTRICT OF COLUMBIA	USA	HIV Prevention and Surveillance Activities-Health Department Based	02	5	9/30/2025	ADMINISTRATIVE SUPPLEMENT ( + OR - ) (DISCRETIONARY OR BLOCK AWARDS)	$0
2025	2021	GEORGETOWN UNIVERSITY	MAIN CAMPUS	WASHINGTON	DC	20057	DISTRICT OF COLUMBIA	USA	HIV Prevention and Surveillance Activities-Health Department Based	02	5	9/30/2025	ADMINISTRATIVE SUPPLEMENT ( + OR - ) (DISCRETIONARY OR BLOCK AWARDS)	$0
2025	2020	GEORGETOWN UNIVERSITY	MAIN CAMPUS	WASHINGTON	DC	20057	DISTRICT OF COLUMBIA	USA	HIV Prevention and Surveillance Activities-Health Department Based	02	5	9/30/2025	ADMINISTRATIVE SUPPLEMENT ( + OR - ) (DISCRETIONARY OR BLOCK AWARDS)	$0
2025	2019	GEORGETOWN UNIVERSITY	MAIN CAMPUS	WASHINGTON	DC	20057	DISTRICT OF COLUMBIA	USA	HIV Prevention and Surveillance Activities-Health Department Based	02	5	9/30/2025	ADMINISTRATIVE SUPPLEMENT ( + OR - ) (DISCRETIONARY OR BLOCK AWARDS)	$0
2025	2018	GEORGETOWN UNIVERSITY	MAIN CAMPUS	WASHINGTON	DC	20057	DISTRICT OF COLUMBIA	USA	HIV Prevention and Surveillance Activities-Health Department Based	02	5	9/30/2025	ADMINISTRATIVE SUPPLEMENT ( + OR - ) (DISCRETIONARY OR BLOCK AWARDS)	$0
														Subtotal = -$30,838

Issue Date FY: 2023 ( Subtotal = $533,300 )
2023	2023	GEORGETOWN UNIVERSITY	MAIN CAMPUS	WASHINGTON	DC	20057	DISTRICT OF COLUMBIA	USA	HIV Prevention and Surveillance Activities-Health Department Based	01	5	4/4/2023	ADMINISTRATIVE SUPPLEMENT ( + OR - ) (DISCRETIONARY OR BLOCK AWARDS)	$533,300
2023	2022	GEORGETOWN UNIVERSITY	MAIN CAMPUS	WASHINGTON	DC	20057	DISTRICT OF COLUMBIA	USA	HIV Prevention and Surveillance Activities-Health Department Based	01	5	4/4/2023	ADMINISTRATIVE SUPPLEMENT ( + OR - ) (DISCRETIONARY OR BLOCK AWARDS)	$0
2023	2021	GEORGETOWN UNIVERSITY	MAIN CAMPUS	WASHINGTON	DC	20057	DISTRICT OF COLUMBIA	USA	HIV Prevention and Surveillance Activities-Health Department Based	01	5	4/4/2023	ADMINISTRATIVE SUPPLEMENT ( + OR - ) (DISCRETIONARY OR BLOCK AWARDS)	$0
2023	2020	GEORGETOWN UNIVERSITY	MAIN CAMPUS	WASHINGTON	DC	20057	DISTRICT OF COLUMBIA	USA	HIV Prevention and Surveillance Activities-Health Department Based	01	5	4/4/2023	ADMINISTRATIVE SUPPLEMENT ( + OR - ) (DISCRETIONARY OR BLOCK AWARDS)	$0
2023	2019	GEORGETOWN UNIVERSITY	MAIN CAMPUS	WASHINGTON	DC	20057	DISTRICT OF COLUMBIA	USA	HIV Prevention and Surveillance Activities-Health Department Based	01	5	4/4/2023	ADMINISTRATIVE SUPPLEMENT ( + OR - ) (DISCRETIONARY OR BLOCK AWARDS)	$0
														Subtotal = $533,300

Issue Date FY: 2022 ( Subtotal = $399,986 )
2022	2022	Georgetown University (The)	37th and O St NW	Washington	DC	20057	DISTRICT OF COLUMBIA	USA	HIV Prevention and Surveillance Activities-Health Department Based	00	5	2/15/2022	NON-COMPETING CONTINUATION	$399,986
2022	2021	Georgetown University (The)	37th and O St NW	Washington	DC	20057	DISTRICT OF COLUMBIA	USA	HIV Prevention and Surveillance Activities-Health Department Based	00	5	2/15/2022	NON-COMPETING CONTINUATION	$0
2022	2020	Georgetown University (The)	37th and O St NW	Washington	DC	20057	DISTRICT OF COLUMBIA	USA	HIV Prevention and Surveillance Activities-Health Department Based	00	5	2/15/2022	NON-COMPETING CONTINUATION	$0
2022	2019	Georgetown University (The)	37th and O St NW	Washington	DC	20057	DISTRICT OF COLUMBIA	USA	HIV Prevention and Surveillance Activities-Health Department Based	00	5	2/15/2022	NON-COMPETING CONTINUATION	$0
														Subtotal = $399,986

Issue Date FY: 2021 ( Subtotal = $399,986 )
2021	2021	Georgetown University (The)	37th and O St NW	Washington	DC	20057	DISTRICT OF COLUMBIA	USA	HIV Prevention Activities Health Department Based	00	4	3/2/2021	NON-COMPETING CONTINUATION	$399,986
2021	2020	Georgetown University (The)	37th and O St NW	Washington	DC	20057	DISTRICT OF COLUMBIA	USA	HIV Prevention Activities Health Department Based	00	4	3/2/2021	NON-COMPETING CONTINUATION	$0
2021	2020	Georgetown University (The)	37th and O St NW	Washington	DC	20057	DISTRICT OF COLUMBIA	USA	HIV Prevention Activities Health Department Based	01	3	10/14/2020	ADMINISTRATIVE SUPPLEMENT ( + OR - ) (DISCRETIONARY OR BLOCK AWARDS)	$0
2021	2019	Georgetown University (The)	37th and O St NW	Washington	DC	20057	DISTRICT OF COLUMBIA	USA	HIV Prevention Activities Health Department Based	00	4	3/2/2021	NON-COMPETING CONTINUATION	$0
2021	2019	Georgetown University (The)	37th and O St NW	Washington	DC	20057	DISTRICT OF COLUMBIA	USA	HIV Prevention Activities Health Department Based	01	3	10/14/2020	ADMINISTRATIVE SUPPLEMENT ( + OR - ) (DISCRETIONARY OR BLOCK AWARDS)	$0
														Subtotal = $399,986

Issue Date FY: 2020 ( Subtotal = $399,986 )
2020	2020	Georgetown University (The)	37th And O St Nw	Washington	DC	20057	DISTRICT OF COLUMBIA	USA	HIV Prevention Activities Health Department Based	00	3	3/3/2020	NON-COMPETING CONTINUATION	$399,986
2020	2019	Georgetown University (The)	37th And O St Nw	Washington	DC	20057	DISTRICT OF COLUMBIA	USA	HIV Prevention Activities Health Department Based	00	3	3/3/2020	NON-COMPETING CONTINUATION	$0
2020	2019	Georgetown University (The)	37th & O St NW	Washington	DC	20057	DISTRICT OF COLUMBIA	USA	HIV Prevention Activities Health Department Based	01	2	12/13/2019	ADMINISTRATIVE SUPPLEMENT ( + OR - ) (DISCRETIONARY OR BLOCK AWARDS)	$0
														Subtotal = $399,986

Issue Date FY: 2019 ( Subtotal = $399,986 )
2019	2019	Georgetown University (The)	37th & O St NW	Washington	DC	20057	DISTRICT OF COLUMBIA	USA	HIV Prevention Activities Health Department Based	00	2	2/13/2019	NON-COMPETING CONTINUATION	$399,986
2019	2018	Georgetown University (The)	37th & O St NW	Washington	DC	20057	DISTRICT OF COLUMBIA	USA	HIV Prevention Activities Health Department Based	02	1	1/8/2019	ADMINISTRATIVE SUPPLEMENT ( + OR - ) (DISCRETIONARY OR BLOCK AWARDS)	$0
														Subtotal = $399,986

Issue Date FY: 2018 ( Subtotal = $399,986 )
2018	2018	Georgetown University (The)	37th & O St NW	Washington	DC	20057	DISTRICT OF COLUMBIA	USA	HIV Prevention Activities Health Department Based	01	1	8/13/2018	ADMINISTRATIVE SUPPLEMENT ( + OR - ) (DISCRETIONARY OR BLOCK AWARDS)	$0
2018	2018	Georgetown University (The)	37th & O St NW	Washington	DC	20057	DISTRICT OF COLUMBIA	USA	HIV Prevention Activities Health Department Based	00	1	3/27/2018	NEW	$399,986
														Subtotal = $399,986

Grand Total All Awards = $2,502,392

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De-duplication of Case Pairs in the National HIV Surveillance System Using the Black Box

Award Number: NU62PS924580

ORGANIZATION: NATIONAL CENTER FOR PREVENTION SERVICES

OPDIV: CDC

AWARD CLASS: DISCRETIONARY

AWARD ACTIVITY TYPE: HEALTH SERVICES

PERIOD OF PERFORMANCE START DATE: 04/01/2018

PERIOD OF PERFORMANCE END DATE: 07/31/2024

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