Researchers track COVID-19 antibodies in 643 healthy adults
NCT ID NCT04490174
First seen Nov 01, 2025 · Last updated Apr 30, 2026 · Updated 22 times
Summary
This study aimed to find out how many healthy adults in central North Carolina had been exposed to COVID-19 by testing their blood for antibodies over one year. Participants were 643 adults aged 18 and older who did not have COVID-19 at the start. They provided blood samples and completed weekly surveys about symptoms. The results help public health officials understand the spread of the virus.
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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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NIEHS Clinical Research Unit (CRU)
Research Triangle Park, North Carolina, 27709, United States
Conditions
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