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NIAID Influenza Immunity Research

Impact of Initial Influenza Exposure on Immunity in Infants — RFA-AI-27-019

Supports longitudinal infant influenza immunity studies to guide next-generation vaccine design.

The National Institute of Allergy and Infectious Diseases (NIAID) issued RFA-AI-27-019 on February 10, 2026, to support longitudinal infant cohort studies examining how initial and repeated natural influenza infections and vaccinations shape immune responses to future influenza exposures in infants and young children. The scientific rationale is that the first influenza exposure — whether a natura

Influenza immune imprinting in infants — longitudinal cohort studies measuring how initial and repeated influenza infections and vaccinations shape childhood immunity.

CycleiHow often this grant runs — e.g. annually, on a rolling basis, or a one-off call.One-off
Next deadlineiThe next date applications are due. Rolling means you can apply any time.
Decision timeiTypical time from the deadline to the funder's decision.
Project durationiHow long the funded work is expected to run.
Award typeiThe form of funding — grant, equity, loan, tax credit, etc.Cooperative agreement
Match fundingiThe share of project costs you must cover yourself. 0% = fully funded.0%
Funding pooliThe total budget available across all awards in this round.$9.6M

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Last verified: 24 Jul 2026Source: simpler.grants.gov