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The fastest reliable route to NIH funding for emerging-infectious-disease work is a fit-first workflow: define the pathogen and scientific problem, identify the methods and applicant institutions, search the NIH and Grants.gov portals, read the complete notice of funding opportunity (NOFO), and contact a program official before you design the application around an assumed program. For international projects, determine whether the work is a NIH-defined foreign component and whether NIH money is requested for it; that answer can determine the application structure.
This guide turns that workflow into practical steps for investigators and research administrators. It also explains where NIAID, Fogarty, cross-agency programs such as Ecology and Evolution of Infectious Diseases (EEID), and the PF5/RF2 international-project model may fit—and where a planning concept is not yet an application opportunity.
Start by defining the project NIH will have to evaluate
Searching only for a pathogen name produces an unmanageable list of notices and misses programs organized around methods, populations, transmission, or capacity building. Write a one-page search brief before opening a portal. Keep the answers specific enough that a program official can redirect you to a better institute or mechanism.
| Question | What to record | Why it changes the search |
|---|---|---|
| What is the pathogen or problem? | Named pathogen, pathogen family, syndrome, outbreak risk, or an explicitly pathogen-agnostic question | Some notices are agent-specific; others are framed around infectious-disease biology, transmission, immunity, diagnostics, or preparedness. |
| What will you do? | For example, surveillance, genomics, ecology, vaccine development, therapeutic discovery, diagnostic validation, implementation, or training | Methods often point to a different institute or cross-agency program than the pathogen name does. |
| Who is applying? | Domestic university, nonprofit, government organization, company, foreign institution, or a consortium; identify the legal applicant | Applicant eligibility and the permitted role of foreign organizations are controlled by each NOFO. |
| Where will work occur? | Every country and site, including laboratories, field sites, clinical sites, and data-processing locations | A significant scientific element outside the United States can be a foreign component even when no grant dollars are spent abroad. |
| What is the career stage? | New investigator, early-stage investigator, established investigator, trainee, or a team with mixed stages | Career-stage provisions, mentoring expectations, and eligible mechanisms differ. |
| Is there a clinical trial? | No human subjects, observational human research, or an intervention trial; note whether a trial is planned or only possible | NOFOs use different clinical-trial designations and forms. A notice that excludes clinical trials is not interchangeable with one that allows them. |
| What collaboration is needed? | Named or prospective collaborators, their expertise, country, leadership role, and the work package they would own | Some programs merely permit collaboration; others expect equitable leadership, training, or capacity strengthening. |
| What must NIH support? | Domestic work only, a foreign component, a foreign subaward, travel, consultants, equipment, or a linked international award | The requested funding and project structure can determine which opportunity and application components are permitted. |
Use this brief as the text you paste into NIH’s Matchmaker tool and as the opening summary for a program-official email. Update it whenever the scope changes; a new field site or intervention can change the relevant NOFO.
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Use the NIH portal and Grants.gov as the authoritative discovery path
NIH states that all grant and cooperative-agreement notices of funding opportunities (NOFOs) are posted on Grants.gov, the federal government’s central portal for discretionary funding announcements. NIH also provides an NIH Grants & Funding discovery route, institute pages, and generic parent announcements for investigator-initiated applications. Treat a search result as a lead, not as proof that you can apply.
“All NIH grant and cooperative agreement notices of funding opportunities (NOFOs) are posted on Grants.gov, a central portal for federal agencies to announce discretionary funding opportunities.” — National Institutes of Health, Funding
Search broadly, then narrow by the scientific work
- Open the NIH Grants & Funding discovery page and search the pathogen, disease area, method, population, and collaboration terms from your brief.
- Repeat the search in Grants.gov. Record the notice number, participating institute or center, activity code, open and close dates, and the link to the complete announcement.
- Search institute-specific pages, especially NIAID and Fogarty, for opportunities that use different terminology from your pathogen.
- Check generic parent announcements for investigator-initiated applications only after confirming that your project’s activity code, clinical-trial status, and applicant type are allowed.
- Download or save the full NOFO and its forms. Do not rely on a search snippet, a webinar slide, or an expired summary.
Read the entire NOFO before deciding that the fit is real
For each candidate, make a one-page extraction sheet. Capture the following items exactly as the notice states them:
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- Eligible organizations, countries, investigator requirements, and any limits on foreign applicants or subawards.
- Scientific scope, required aims, exclusions, and whether the notice is a set-aside or a broad investigator-initiated route.
- Clinical-trial allowance, human-subjects expectations, and the forms or attachments required for the selected trial designation.
- Activity code, project period, budget limits or special budget instructions, and the required application components.
- Receipt dates, letters-of-intent rules, submission system, review criteria, and any institute-specific instructions.
- Rules for foreign components, international collaborators, data or specimen transfer, and linked awards.
If a term is not in the NOFO, record it as “not stated in the notice” and ask the scientific contact rather than inferring it from another program. Deadlines, participating institutes, and forms are volatile; verify them again immediately before submission.
Match the science to the institute’s remit
NIAID: a starting point for infectious-agent and immune research
NIAID is a natural first stop for infectious-agent biology and immune responses, vaccines, drugs, diagnostics, and related infectious-disease work. That does not mean NIAID will fund every pathogen or every method. Use the project brief and the current NOFO to test whether your work belongs in an NIAID scientific portfolio, whether a specific division is participating, and whether the mechanism permits your clinical-trial status and applicant institution.
Fogarty: global health, partnerships, and capacity
Fogarty may be relevant when the project includes global-health research or partnerships and when building research or training capacity in low- and middle-income countries (LMICs) is part of the design. Capacity building should be a substantive, resourced work package—not a sentence added to an otherwise domestic project. Confirm in the NOFO whether LMIC investigators must lead, whether training is required, and what institutions and countries are eligible.
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Do not confuse a council concept with an open opportunity
NIAID council-approved concepts can signal future priorities. NIAID explicitly warns that approval does not guarantee publication of an initiative. Use the concept’s linked Opportunities & Announcements material and the NIH Guide to look for an actual NOFO. Until a current notice provides an activity code, eligibility, instructions, deadline, and review criteria, treat the concept as a planning signal only—not an application route.
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Ecology and Evolution of Infectious Diseases (EEID)
The NIH participation notice for EEID describes work on ecological, evolutionary, organismal, and social drivers of infectious-disease transmission. Named partners are Fogarty, NIAID, NIGMS, the National Science Foundation (NSF), and the U.S. Department of Agriculture (USDA). This route can fit a project in which transmission dynamics, host–pathogen evolution, environmental drivers, or social behavior is the scientific center rather than a secondary analysis.
The notice says applications are submitted to NSF under the program solicitation. Participating agencies may recommend meritorious proposals for funding, so an NIH affiliation does not turn the NIH portal into the submission system. Check the current NSF solicitation: the NIH notice describes a particular cycle, and its award dates and deadlines are cycle-specific.
LMIC collaboration expectations in EEID
The NIH notice describes Fogarty’s interest in LMIC capacity building and says U.S.-submitted projects seeking Fogarty support should show equitable LMIC collaboration with LMIC investigator leadership. Document who leads the scientific questions, controls relevant data or specimens, supervises local work, and receives the resources needed to perform it. Do not describe a partner only as a field site or sample provider if the program expects investigator leadership.
Find the right program official before you lock the proposal design
NIH’s Matchmaker tool accepts specific aims, an abstract, or other scientific text and returns similar program officials. It is a routing aid, not an eligibility determination.
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- Paste a concise version of your project brief, including pathogen or syndrome, methods, population, countries, clinical-trial status, and the intended collaboration.
- Review the returned officials and note their institute, scientific remit, and contact details.
- Open the current NOFO associated with each likely match and verify that the official’s institute is participating.
- Send the best match a short message with the project summary, the candidate notice number, applicant institution and country, foreign-component question, and two or three focused questions.
- Attach or paste specific aims only if requested or if the official’s instructions permit it. Keep confidential or unpublished information to the minimum needed for fit advice.
NIH advises researchers to contact the best match even when the match is not perfect; staff can redirect you. Ask for redirection rather than sending the same message to a long list of officials. Keep a record of the date, official, notice number, questions asked, and any written guidance. A conversation does not waive a NOFO requirement, so preserve the notice as the controlling document.
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A useful first-contact outline
- Subject: Fit question for [notice number]—[one-line scientific problem]
- Project: Two or three sentences on the pathogen or problem, methods, population, and expected contribution.
- Team and sites: Applicant institution, countries, investigator roles, and whether work outside the United States is scientifically significant.
- Clinical status: State clearly whether there is no clinical trial, observational human research, or an intervention trial.
- Questions: Ask whether the notice is the right fit, whether the proposed foreign work is a foreign component under the current policy, and which mechanism or institute should be considered if not.
Determine whether international work is a foreign component
NIH defines a foreign component as the performance of a significant scientific element or segment outside the United States. The definition includes work by a researcher employed by a foreign organization, whether or not NIH grant funds are spent there. Location, scientific significance, and the employment or organizational relationship matter—not merely the presence of a foreign invoice.
Make a site-by-site determination
- List every activity outside the United States: recruitment, clinical procedures, laboratory assays, sequencing, field sampling, training, data analysis, or project management.
- For each activity, identify the person or organization performing it, the scientific aim it supports, and whether it is a significant element of the project.
- State whether NIH funds would pay for that activity, directly or through a subaward, and whether another source would pay.
- Ask the program official and institutional grants office to confirm the classification under the current NOFO and NIH policy.
- Use the classification consistently in the application, budget, facilities description, resource sharing, and other support or disclosure sections.
NIH’s Notice NOT-OD-25-155, released September 12, 2025, says new competing applications requesting NIH funding for foreign components must respond to an opportunity that supports PF5, UF5, or another complex mechanism supporting an International Project component. The notice describes, at minimum, an Overall component, a Research Project component, and an International Project component. Read the notice’s forms and instructions; do not assume that a conventional domestic application can simply add a foreign subaward.
Foreign work that may be treated differently
The policy notice says some other foreign components—such as foreign consultants or international travel—may continue under other activity codes unless the NOFO says otherwise. That is not a blanket exemption. Determine whether the activity is a significant scientific element, then check the current opportunity and policy language before choosing an activity code or budget treatment.
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Understand PF5, the International Project component, and RF2
PF5 is an application structure for a domestic applicant’s collaborative international project. NIH explains that selected International Project components may become linked direct foreign awards under RF2. The domestic applicant remains responsible for following the opportunity’s structure and instructions; the foreign institution’s eventual award relationship is not a reason to omit its work plan, leadership, budget logic, or compliance information from the application.
What the PF5 structure means for planning
| Component | Planning question |
|---|---|
| Overall | What is the integrated scientific objective, why are the domestic and international pieces necessary, and who is accountable for the whole project? |
| Research Project | What work is performed by the domestic team, and how does it connect to the international work without duplicating it? |
| International Project | Which foreign institution and investigators lead each activity, where will it occur, what resources are needed, and how will data, specimens, ethics, and oversight be handled? |
Do not infer that every NIH international collaboration uses PF5. Confirm that the exact NOFO supports the structure and that the linked-award treatment applies to your proposed component.
The 2026 Parent PF5 leveraging guidance
NIH Extramural Nexus guidance dated August 27, 2026, says U.S.-led investigator-initiated projects formerly proposed with a foreign subaward may use the Parent PF5 announcement. For certain participating specialized NOFOs, applications due on or after September 25, 2026, may use Parent PF5 forms and structure while still following the specialized NOFO’s due dates, requirements, review criteria, and other terms.
This leveraging model is not universal. First confirm that the specialized NOFO is listed as participating. Then apply the specialized notice’s scientific scope, eligibility, deadline, review criteria, budget terms, and other conditions. Using Parent PF5 forms does not replace the specialized notice, and it does not make an otherwise ineligible project eligible.
Compare candidate opportunities on the terms that decide eligibility
Build a comparison sheet only after reading the current NOFOs. The fields below prevent a compelling scientific idea from being matched to the wrong mechanism.
| Comparison axis | Record for every candidate | Decision use |
|---|---|---|
| Scientific scope and pathogen fit | Required topics, exclusions, methods, populations, and whether the notice is agent-specific | Remove notices that cannot fund the central question, even if the title contains your pathogen. |
| Applicant and country eligibility | Permitted organization types, domestic or foreign status, country limits, and investigator rules | Confirm the legal applicant before negotiating a subaward. |
| LMIC leadership or capacity building | Required, encouraged, or not stated in the notice | Align leadership, training, infrastructure, and budget with the actual expectation. |
| Mechanism and activity code | Code, parent announcement or specialized notice, and permitted components | Determines forms, review pathway, and whether PF5 or another complex structure is available. |
| Clinical-trial allowance | Allowed, disallowed, or conditional; required designation and forms | Prevents a late redesign when an intervention is not permitted. |
| Foreign-component treatment | Required structure, foreign-subaward rules, consultant and travel treatment, and RF2/PF5 instructions | Determines whether the proposed international work can be funded as planned. |
| Award period and budget | Amounts, project period, caps, cost rules, and special budget instructions; if absent, write “not stated in the notice” | Tests feasibility without importing terms from another program. |
| Deadline and submission portal | Receipt date, time zone, letter-of-intent requirement, and Grants.gov or other submission system | Protects against submitting an NIH application to an NSF-managed route or missing a cycle-specific date. |
| Review criteria | Scored factors, collaboration or capacity expectations, and any special attachments | Shape aims and evidence around what reviewers will actually score. |
When a value is not established in the notice, write “not stated in the notice” and seek clarification. Never fill a blank with a number from a previous cycle.
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A credible international plan connects scientific leadership to resources and decision rights. Before drafting, agree in writing on the questions below:
- Which investigator leads each aim and who has authority to change the work plan?
- Where will samples be collected, processed, stored, and transferred, and who owns or controls the resulting data?
- Which institution handles local ethics, regulatory approvals, biosafety, and community engagement?
- What training, equipment, personnel, and indirect-cost arrangements are needed for the partner to perform its work?
- How will authorship, intellectual property, data access, benefit sharing, and publication review be handled?
- What happens if an outbreak, export restriction, political event, or site closure prevents the planned work?
For LMIC partnerships, make leadership visible in the aims, governance chart, budget, mentoring plan, and letters of support. “Collaboration” is not equivalent to equitable partnership if the foreign team has no control over the science or no resources to deliver its assigned work.
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Common search and application failures—and the fix for each
Failure: applying to a concept page
Symptom: The page describes a priority but has no current forms, deadline, or review criteria. Fix: Search Opportunities & Announcements and the NIH Guide for the published NOFO. If none exists, use the concept for horizon planning and contact the institute about likely timing without treating it as an open route.
Failure: choosing an institute from the pathogen name alone
Symptom: A project centered on transmission ecology is forced into a vaccine mechanism, or a capacity-building project is written as a purely domestic laboratory study. Fix: Match the central scientific question and method to the institute remit, then verify participation in the exact NOFO.
Failure: treating a foreign subaward as an administrative detail
Symptom: The application uses a standard domestic structure even though significant science will occur abroad. Fix: Classify the foreign component early, identify an opportunity supporting PF5 or another permitted complex mechanism, and map the Overall, Research Project, and International Project components before budgeting.
Failure: assuming PF5 applies everywhere
Symptom: A specialized notice is paired with Parent PF5 forms without evidence that the notice participates. Fix: Check the participating-NOFO list and retain the specialized notice’s deadlines, requirements, review criteria, and terms.
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Symptom: A proposal changes from observational work to an intervention after the team has selected a notice that excludes trials. Fix: Decide the clinical status in the search brief and verify the notice’s designation and forms before writing the protocol.
Failure: sending an unfocused program-official email
Symptom: Staff cannot tell which notice, countries, or work package you are asking about. Fix: Include the notice number, two-sentence scientific summary, applicant institution, international sites, clinical status, and no more than three precise questions.
A practical discovery schedule
Days 1–2: define and classify
- Complete the project brief and list every site and activity.
- Mark clinical-trial status and likely foreign-component activities.
- Identify the legal applicant and prospective collaborators.
Days 3–5: search and collect notices
- Search the NIH Grants & Funding route and Grants.gov using scientific, method, and capacity-building terms.
- Review NIAID, Fogarty, and relevant cross-agency pages.
- Save the complete NOFOs and discard expired or concept-only pages from the active list.
Days 6–8: extract rules and compare
- Complete the comparison sheet for scope, eligibility, clinical trials, international structure, budget, deadline, and review.
- Check whether an EEID route submits through NSF rather than NIH.
- Check whether a specialized notice participates in the Parent PF5 leveraging model for applications due on or after September 25, 2026.
Days 9–10: contact and decide
- Run the project text through Matchmaker and identify the best program official.
- Send a focused fit inquiry and ask your grants office to review the foreign-component classification.
- Select a primary route, a credible alternative, and a no-go condition—for example, an ineligible applicant, prohibited clinical trial, or unsupported foreign structure.
After this schedule, the useful outcome is not a long bookmark list. It is a short list of current, eligible notices with a documented scientific fit, a confirmed submission route, and a next contact who can redirect the team before substantial proposal work begins.
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