Modeling immune responses to vaccines using a new infection approach

Compressed sequential infection regimen to model immune responses to systemic and mucosal vaccination

NIH-funded research Washington University · NIH-11019738

This study is looking at a new way to help lab mice build stronger immune systems by exposing them to different viruses early on, which could help us understand how vaccines work in people, especially for COVID-19.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionWashington University NIH-funded
Lab location1 site (Saint Louis, United States)
Project IDNIH-11019738 on NIH RePORTER

What this research studies

This research investigates how a new method of sequentially infecting laboratory mice can enhance their immune responses, making them more representative of human reactions to vaccinations. By exposing these mice to multiple viral pathogens early in life, the study aims to improve the maturation of their immune systems without the need for specialized facilities. The findings could lead to better understanding of how vaccines work in humans, particularly in response to COVID-19. The approach focuses on measuring changes in immune cells and antibody levels after vaccination.

Who could benefit from this research

Good fit: Ideal candidates for benefiting from this research include adults aged 21 and older who are receiving vaccinations, particularly for COVID-19.

Not a fit: Patients who are not adults or those who do not require vaccination may not receive any benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to improved vaccine efficacy and better immune response predictions for humans.

How similar studies have performed: Previous research has shown that similar approaches to enhancing immune responses in animal models can lead to significant insights, suggesting potential success for this novel method.

Where this research is happening

Saint Louis, 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.