How existing immunity affects the spread of influenza viruses in the air

Role of preexisting immunity on airborne transmission of influenza viruses

NIH-funded research Emory University · NIH-11007241

This study looks at how having had the flu before affects how easily the flu spreads in the air, using ferrets to help understand this, and it also checks how changes in immunity and the virus itself influence this spread, while testing different vaccines to see how well they protect against new flu strains.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionEmory University NIH-funded
Lab location1 site (Atlanta, United States)
Project IDNIH-11007241 on NIH RePORTER

What this research studies

This research investigates how pre-existing immunity from previous influenza infections influences the ability of influenza viruses to spread through the air. Using ferrets as a model, the study aims to identify the immunological and viral factors that affect susceptibility to airborne transmission. It will also explore how seasonal changes in population immunity and the evolution of the virus impact transmission dynamics. Additionally, the research will assess the effectiveness of different vaccine platforms in providing protection against new strains of the virus.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals with a history of influenza infections or vaccinations who may be at risk for airborne transmission of the virus.

Not a fit: Patients who have never been infected with influenza or vaccinated against it may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to improved strategies for preventing the spread of influenza viruses, potentially reducing the incidence of seasonal epidemics and pandemics.

How similar studies have performed: Previous studies using similar approaches have shown promising results in understanding the role of immunity in influenza transmission, indicating that this research builds on established findings.

Where this research is happening

Atlanta, United States

Researchers

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 below.
Last reviewed 2026-06-13 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.