Understanding how influenza infection and vaccination protect children over time

Longitudinal dynamics of protection after influenza infection and vaccination

['FUNDING_R01'] · UNIVERSITY OF CHICAGO · NIH-10677791

This study is looking at how well kids' immune systems protect them from the flu after they get sick or vaccinated, and it aims to help us understand how long that protection lasts and how it varies among different children.

Quick facts

Phase['FUNDING_R01']
Study typeNih_funding
SexAll
SponsorUNIVERSITY OF CHICAGO (nih funded)
Locations1 site (CHICAGO, UNITED STATES)
Trial IDNIH-10677791 on ClinicalTrials.gov

What this research studies

This research investigates how the immune response to influenza infection and vaccination protects children from future infections. By following a large group of children over several years, the study aims to understand the duration and effectiveness of this protection, taking into account factors like age, sex, and individual health history. Researchers will analyze data from the Nicaragua Pediatric Influenza Cohort Study, which has tracked thousands of children since 2011, to develop models that predict how well children are protected against different strains of the virus. This approach will help clarify the complex dynamics of immunity and inform future vaccination strategies.

Who could benefit from this research

Good fit: Ideal candidates for this research are children aged 0-11 years who have received influenza vaccinations or have experienced influenza infections.

Not a fit: Patients who are older than 11 years or those who have not been vaccinated against influenza may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to improved vaccination strategies that enhance protection against influenza in children.

How similar studies have performed: Previous research has shown success in understanding immune responses to influenza, but this study aims to provide novel insights through longitudinal data collection.

Where this research is happening

CHICAGO, 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.

View on NIH RePORTER →

Last reviewed 2026-05-15 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.