Mouthwash vs. COVID: can a rinse reduce viral spread?
NCT ID NCT04931004
First seen Jan 30, 2026 · Last updated Jun 04, 2026 · Updated 20 times
Summary
This early study tested whether certain mouthwashes could reduce the amount of SARS-CoV-2 virus that infected people breathe or cough out. 34 adults with confirmed COVID-19 provided breath and saliva samples before and after using a mouthwash or water. The goal was to see if mouthwash could lower the virus in the mouth and breath, which might help reduce spread to others.
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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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University Hospital
Newark, New Jersey, 07103, United States
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