NIH-funded research R01 grant

Developing a vaccine to protect against avian influenza A virus

Official title: Protection and Immunity after Polyanhydride Nanoparticle Vaccination against Avian Influenza A Virus

Funded at University of Iowa · NIH-10975960 · Data updated 2026-11-12

This study is testing a new vaccine made with tiny particles to help protect birds from the H5N2 strain of avian flu by boosting their immune system, especially in their lungs and noses, before looking into how it might work for humans.

More Vaccination research and trials

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Iowa
NIH-funded
Lab location1 site (Iowa City, United States)
Project startNovember 14, 2022
Project endOctober 31, 2027
Funding year2025
Award (this year)$754,519
NIH project number5R01AI168001-03
Project IDNIH-10975960 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research would include individuals at high risk for influenza infections, such as those with compromised immune systems or those in close contact with birds.

Less likely to help

Patients who are not at risk for avian influenza or those who have already been vaccinated against seasonal influenza may not benefit from this research.

What this research studies

This research focuses on creating a novel vaccine using polyanhydride nanoparticles to provide immunity against the avian influenza A virus, particularly the H5N2 subtype. The approach aims to induce both systemic and local immune responses, specifically targeting memory T and B cells in the lungs and nasal mucosa, which are crucial for long-term protection. By enhancing the immune response in these areas, the researchers hope to improve the effectiveness of the vaccine against various strains of the influenza virus. The study will involve evaluating the vaccine's ability to generate robust immune responses in animal models before considering human applications.

Why it matters

Potential benefit: If successful, this research could lead to a more effective vaccine that provides better protection against avian influenza, potentially reducing the risk of severe illness and death.

How similar studies have gone: Other research has shown promise in developing vaccines that induce local immune responses, suggesting that this approach could be effective.

Where this research is happening

  • University of Iowa
    Iowa City, United States
    Active

Researchers

  • Principal investigator: Legge, Kevin L — University of Iowa
  • Study coordinator: Legge, Kevin L

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

  • Universal flu vaccine strategy to protect against diverse influenza strains

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

    NIH research Rockefeller University · New York, United States · NIH-11384802

  • 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

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.