NIH scientists hunt for hidden COVID in spit and sneezes
NCT ID NCT04348240
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at whether the COVID-19 virus can be found in the saliva of people who have no symptoms or only mild symptoms. Researchers collected samples from the nose, mouth, eyes, and blood, and also tested how many virus particles are released during speaking with and without a mask. The goal was to better understand how the virus spreads and whether masks help prevent it.
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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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National Institutes of Health Clinical Center
Bethesda, Maryland, 20892, United States
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