Pregnancy puzzle: why flu hits harder but COVID spares?
NCT ID NCT04962477
First seen Jan 07, 2026 · Last updated Apr 29, 2026 · Updated 20 times
Summary
This study looked at why pregnant women often get very sick from the flu but not from COVID-19. Researchers compared nasal samples from 48 pregnant and non-pregnant women to see how their immune systems react to these viruses. The goal was to understand the body's natural defenses, not to test a treatment.
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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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Locations
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Washington University in St. Louis
St Louis, Missouri, 63110, United States
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