NC study tracks COVID-19 antibodies in healthy adults for a year
NCT ID NCT04490174
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study followed 643 healthy adults in central North Carolina for one year to see how many developed antibodies to the COVID-19 virus. Participants had blood drawn five times and completed weekly symptom surveys. The goal was to better understand exposure rates and immune response to inform public health strategies.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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NIEHS Clinical Research Unit (CRU)
Research Triangle Park, North Carolina, 27709, United States
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