# Immune Mechanisms of Protection Against Mycobacterium tuberculosis Center (IMPAc-TB)

Canonical: https://abierto.us/opportunities/baa75n93026r00008

- Solicitation number: BAA-75N93026R00008
- Notice type: Solicitation (first published as presolicitation)
- Status: Closed. Deadline was September 1, 2026 at 3:00 PM EDT
- Department: Department of Health and Human Services
- Agency: National Institutes of Health
- Contracting office: National Institutes of Health Niaid (75N930)
- NAICS: 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
- Product or service code: AN12 Health R&D Services; Health Care Services; Applied Research
- First posted: May 18, 2026
- Last posted: July 21, 2026
- SAM.gov: https://sam.gov/workspace/contract/opp/5d5afdb006424304a47a771196d3f21d/view

## Description

**Amendment No. 2:**

**BAA-75N93026R00008:** The purpose of this Amendment is to provide responses to questions from potential offerors regarding the solicitation.

Amendment No. 2 is attached below.

**Amendment No. 1:**

**BAA-75N93026R00008:** The purpose of this Amendment is to provide responses to questions from potential offerors regarding the solicitation.

Amendment No. 1 is attached below. Please see the attached PDF for the solicitation notice (BAA-75N93026R00008).

## Publications

- May 18, 2026: Presolicitation, due June 2, 2026 at 3:00 PM EDT. Notice 0dd47ca15cdb4684af691141890a5414. https://sam.gov/workspace/contract/opp/0dd47ca15cdb4684af691141890a5414/view
- June 2, 2026: Solicitation, due September 1, 2026 at 3:00 PM EDT. Notice 23e401fd58c84f22bb5fe9dec6539f48. https://sam.gov/workspace/contract/opp/23e401fd58c84f22bb5fe9dec6539f48/view
- July 7, 2026: Solicitation, due September 1, 2026 at 3:00 PM EDT. Notice c9c1ca45da4d49db89cf842d18f8920f. https://sam.gov/workspace/contract/opp/c9c1ca45da4d49db89cf842d18f8920f/view
- July 21, 2026: Solicitation, due September 1, 2026 at 3:00 PM EDT. Notice 5d5afdb006424304a47a771196d3f21d. https://sam.gov/workspace/contract/opp/5d5afdb006424304a47a771196d3f21d/view

## Points of contact

- Chris Ray, chris.ray@nih.gov, 2406273365
- Robert Corno, robert.corno@nih.gov, 2406695151

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Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/baa75n93026r00008.