NIH-funded research R01 grant

Unraveling why the yellow fever vaccine works and why rare reactions happen

Official title: Unraveling yellow fever 17D vaccine attenuation: The role of type I interferon and innate immunity

Funded at Rockefeller University · NIH-11373046 · Data updated 2026-11-12

This project studies how the yellow fever 17D vaccine triggers the immune system and why a small number of people have serious adverse reactions.

More Fever research and trials

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionRockefeller University
NIH-funded
Lab location1 site (New York, United States)
Project startFebruary 15, 2016
Project endJuly 31, 2027
Funding year2026
Award (this year)$846,776
NIH project number5R01AI124690-10
Project IDNIH-11373046 on NIH RePORTER

Who could benefit from this research

Could help

Individuals may benefit indirectly, but this grant does not enroll patients in a trial; findings may guide future human studies and safety recommendations.

Less likely to help

Direct patient participation is not described; the work is primarily laboratory-based.

What this research studies

Researchers will examine how the live yellow fever vaccine activates type I interferon pathways and innate immunity, using human cell models and related approaches. They will explore genetic factors, autoantibodies, and interactions with host receptors that may influence vaccine attenuation and safety. The study builds on prior findings about interferon responses and viral mutations to identify mechanisms behind protection and rare SAEs, with aims to improve safer vaccines and prevention strategies. Results could inform how to predict who might be at risk and how to mitigate adverse events in future vaccines.

Why it matters

Potential benefit: Better understanding of vaccine safety could lead to safer vaccines and reduced risk of severe adverse events for some individuals.

How similar studies have gone: Previous work has linked interferon responses and vaccine attenuation to safety, suggesting a plausible path forward, though some aspects are still novel.

Where this research is happening

  • Rockefeller University
    New York, United States
    Active

Researchers

  • Principal investigator: Rice, Charles M — Rockefeller University
  • Study coordinator: Rice, Charles M

Related research

Other NIH-funded projects on the same topics.

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.