RFA-AI-23-055: Research Tools for Difficult to Culture Eukaryotic Pathogens (R61/R33 Clinical Trial Not Allowed)
Closed
This grant is closed. Who won this program's grants before is below, and similar open grants are at the end of the page. It is in our archive of National Institutes of Health notices from 2023.
National Institutes of Health offered grants of up to $250,000 to nonprofits, colleges and universities, state and local governments, tribes, small businesses and businesses. Applications closed on February 2, 2024.
From the official notice on Grants.gov, last changed August 30, 2023. Checked November 7, 2026.
- Award ceiling$250,000
- Cost sharingNot required
- Funding typeGrant
About this NIH notice
- Activity codeR61 / R33
- Clinical trialsNot allowed
- Funded byNIAID
- Median yearly award$399,723
- Typical project length3 years
- R61, Exploratory/Developmental Phase I. The first phase of a phased award. Moving on to the R33 phase depends on meeting agreed milestones. Other open R61 notices.
- R33, Exploratory/Developmental Grant Phase II. The second phase of a phased award, usually following an R61 or R21 phase. Other open R33 notices.
Projects funded under RFA-AI-23-055 were run by National Institute of Allergy and Infectious Diseases (NIAID, 8 projects). Contact the program officer at the institute that fits your project before you apply; the notice lists them.
Application due dates, page limits and budget limits are set in the notice. Read RFA-AI-23-055 in the NIH Guide.
Key dates
| Posted | August 30, 2023 |
|---|---|
| Deadline | February 2, 2024 |
| Archived by Grants.gov | March 9, 2024 |
Who can apply
This opportunity was open to nonprofits, colleges and universities, state and local governments, tribes, small businesses and businesses.
All 15 applicant types the notice lists
- State governments
- County governments
- City or township governments
- Special district governments
- Independent school districts
- Public and State controlled institutions of higher education
- Native American tribal governments (Federally recognized)
- Public housing authorities/Indian housing authorities
- Native American tribal organizations (other than Federally recognized tribal governments)
- Nonprofits having a 501(c)(3) status with the IRS, other than institutions of higher education
- Nonprofits that do not have a 501(c)(3) status with the IRS, other than institutions of higher education
- Private institutions of higher education
- For profit organizations other than small businesses
- Small businesses
- Others (see text field entitled "Additional Information on Eligibility" for clarification)
Other Eligible Applicants include the following: Alaska Native and Native Hawaiian Serving Institutions; Asian American Native American Pacific Islander Serving Institutions (AANAPISISs); Eligible Agencies of the Federal Government; Faith-based or Community-based Organizations; Hispanic-serving Institutions; Historically Black Colleges and Universities (HBCUs); Indian/Native American Tribal Governments (Other than Federally Recognized); Non-domestic (non-U.S.) Entities (Foreign Organizations); Regional Organizations; Tribally Controlled Colleges and Universities (TCCUs) ; U.S. Territory or Possession.
Is this a realistic fit?
- Projects NIH funded under this notice had a median yearly award of $399,723; it allows up to $250,000 per award.
- Most of the program's money (67% over five years) went to colleges and universities.
- No cost sharing or match is required.
What the grant funds
The purpose of this Notice of Funding Opportunity (NOFO) is to support high risk, milestone-driven approaches for the development of robust culture techniques, and/or genetic and molecular tools to better understand the biology of select human eukaryotic pathogens including the microsporidian Enterocytozoon bieneusi; Pneumocystis jirovecii; Plasmodium vivax; and Babesia microti. This NOFO will use a milestone-driven, biphasic award mechanism. Transition to the second phase will depend on the successful completion of milestones.
Funded under RFA-AI-23-055 so far
NIH funded 8 projects under RFA-AI-23-055 in fiscal 2025 to 2026, at 6 institutions. The median yearly award was $399,723.
| Project | Institution | Fiscal year | Award |
|---|---|---|---|
| Development of a Molecular Toolbox for Pneumocystis | University of Cincinnati | 2026 | $398,810 |
| In vitro cultivation and genome sequencing/annotation of Enterocytozoon bieneusi | Tufts University Boston | 2026 | $400,636 |
| Establishing strains and conditions for long-term P. vivax cultures | University of Georgia | 2026 | $379,960 |
| Designing a Robust Platform for the In vitro Propagation of Babesia Microti in Human RBCs | New York Blood Center | 2026 | $427,000 |
| Alveolar organoids and metabolomic-driven cultivation of Pneumocystis species | University of Cincinnati | 2026 | $314,945 |
| Leveraging access to parasite natural diversity to identify Plasmodium vivax culture-adaptable strain. | Institut Pasteur Du Cambodge | 2026 | $265,788 |
| Continuous in vitro culture and genetics of Plasmodium vivax in a bespoke blood cell bioreactor | Harvard University D/B/a Harvard School of Public Health | 2026 | $371,484 |
| In vitro culture of Babesia microti | Tufts University Boston | 2026 | $409,117 |
Who has won Allergy and Infectious Diseases Research grants before
From fiscal 2021 to 2025, Allergy and Infectious Diseases Research (93.855) awarded $22 billion across 13,282 grant awards, an average of $1.6 million per award.
| Recipient | State | Awards | Amount |
|---|---|---|---|
| Fred Hutchinson Cancer Center | Washington | 85 | $938 million |
| Duke University | North Carolina | 230 | $781 million |
| University of California, Los Angeles | California | 138 | $745 million |
| The Johns Hopkins University | Maryland | 321 | $668 million |
| Emory University | Georgia | 282 | $650 million |
Applying now
This notice no longer takes applications. Agencies often post the same opportunity again under a new number, so check the program's notices on Grants.gov and the similar open grants below.
The notice on Grants.gov keeps its full text and attachments, which is useful for planning a resubmission.
Questions people ask
Is RFA-AI-23-055 still open?
No. It closed on February 2, 2024.
Who can apply for Research Tools for Difficult to Culture Eukaryotic Pathogens (R61/R33 Clinical Trial Not Allowed)?
National Institutes of Health accepted applications from nonprofits, colleges and universities, state and local governments, tribes, small businesses and businesses. The notice adds further conditions, so read its eligibility section.
What is the deadline for Research Tools for Difficult to Culture Eukaryotic Pathogens (R61/R33 Clinical Trial Not Allowed)?
Closed February 2, 2024. Applications are no longer accepted; the program's newer notices are on this page when there are any.
How much funding is available?
Awards of up to $250,000 each.
Who has been funded under RFA-AI-23-055?
NIH RePORTER lists 8 projects funded under RFA-AI-23-055 in fiscal 2025 to 2026, at 6 institutions. The most were at University of Cincinnati, Tufts University Boston, University of Georgia.
Who has won Allergy and Infectious Diseases Research grants before?
The largest recipients over five fiscal years were Fred Hutchinson Cancer Center, Duke University, University of California, Los Angeles. The program made 13,282 awards worth $22 billion in that time.
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