Scientists track immune battles against flu and COVID in new study

NCT ID NCT06848309

First seen Apr 04, 2026 · Last updated May 16, 2026 · Updated 6 times

Summary

This study looks at how the immune system reacts to influenza and COVID-19 in people with symptoms. Researchers will compare those who got a flu or COVID vaccine in the past year with those who did not. About 300 participants will provide blood, saliva, and nasal samples over 6 months. The goal is to understand antibody levels and immune memory, which can help improve future vaccines and treatments.

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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Washington University in Saint Louis Department of Emergency Medicine, Emergency Care Research Core

    RECRUITING

    St Louis, Missouri, 63110, United States

    Contact Phone: •••-•••-•••• Email: •••••@•••••

Conditions

Explore the condition pages connected to this study.