NIH-funded research R01 grant

Universal flu vaccine strategy to protect against diverse influenza strains

Official title: Development of vaccination strategies to elicit broadly protective immunity against influenza

Funded at Rockefeller University · NIH-11384802 · Data updated 2026-11-12

A research team is testing new vaccine designs aimed at broad protection against many flu strains for people who want lasting immunity.

More Influenza 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 startJune 18, 2019
Project endJune 30, 2029
Funding year2026
Award (this year)$845,133
NIH project number5R01AI145870-08
Project IDNIH-11384802 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates are individuals at risk for influenza exposure who would benefit from broader, longer-lasting protection once such a vaccine is developed.

Less likely to help

Current seasonal vaccines or vaccines targeting only specific strains may not benefit from this approach.

What this research studies

Researchers plan to create mosaic influenza hemagglutinin immunogens that steer the immune system toward conserved epitopes, potentially providing broad protection beyond current strain-specific vaccines. The project will evaluate these mosaic antigens in preclinical models to see if they can induce antibodies that recognize many influenza variants. The work focuses on improving vaccine-induced immunity so that a single vaccine could offer long-lasting protection against future pandemics. The study is led by Jeffrey V. Ravetch at Rockefeller University and spans several years to optimize immunogens and assess safety signals in early models.

Why it matters

Potential benefit: If successful, the approach could lead to a universal flu vaccine that reduces seasonal illness and pandemic risk.

How similar studies have gone: Previous research into conserved-flank HA epitopes has shown promise in eliciting broader responses, but a broadly protective universal vaccine remains an ongoing challenge.

Where this research is happening

  • Rockefeller University
    New York, United States
    Active

Researchers

  • Principal investigator: Ravetch, Jeffrey Victor — Rockefeller University
  • Study coordinator: Ravetch, Jeffrey Victor

Related research

Other NIH-funded projects on the same topics.

  • How the immune system responds to flu shots and flu infection

    This project looks at how adults' immune systems react after flu shots or when they catch the flu to find why some people get better protection than others.

    NIH research Icahn School of Medicine at Mount Sinai · New York, United States · NIH-11481644

  • Motivational interviewing to increase COVID-19 and flu vaccination

    This project teaches primary care providers conversational skills to help more adults, especially those in vulnerable communities, feel comfortable getting COVID-19 and flu shots.

    NIH research Univ of Massachusetts Med Sch Worcester · Worcester, United States · NIH-11412464

  • Frailty and Flu Vaccination in Older Adults

    This project studies how frailty in older adults affects how well the flu vaccine works and how likely they are to have good outcomes after vaccination.

    NIH research VA Greater Los Angeles Healthcare System · Los Angeles, United States · NIH-11287885

  • Flu vaccine responses and infection risk in people over 75

    This project looks at immune responses to seasonal flu vaccines in adults over 75 to find patterns linked to protection or risk of infection.

    NIH research Johns Hopkins University · Baltimore, United States · NIH-11237598

  • Nanoparticle vaccine to boost protection against avian (bird) flu

    A nanoparticle-based vaccine approach designed to create strong immune protection in the nose and lungs against avian (bird) influenza for people at risk of exposure.

    NIH research University of Iowa · Iowa City, United States · NIH-11225127

  • Vaccines aimed to protect against many different flu strains

    Developing new flu vaccines designed to give longer-lasting protection against many different flu strains for people at risk of the flu.

    NIH research Rockefeller University · New York, United States · NIH-11139532

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.