Stanford study: does COVID-19 weaken flu shot protection?
NCT ID NCT04579588
First seen Oct 31, 2025 · Last updated May 13, 2026 · Updated 21 times
Summary
This study looks at how well the flu vaccine works in people who have had COVID-19, including those with long-term symptoms like fatigue or diabetes. Researchers will measure immune responses over time in 230 adults and children (ages 9-64) and compare them to people who never had COVID-19. The goal is to understand if COVID-19 affects long-term flu immunity.
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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.
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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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Stanford University
RECRUITINGPalo Alto, California, 94304, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
Conditions
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