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Some over-the-counter mouthwashes could potentially kill COVID-19 in less than a minute, according to a new overseas study released this week.
Preliminary results from a study from Cardiff University in the UK determined that mouthwashes containing at least 0.07% cetypyridinium chloride (CPC) showed “promising signs” of being able to destroy the virus in their laboratory.
According to the study, scientists were able to recreate the conditions of a person’s nasal and oral passages in a test tube to see how common brands of mouthwash would react in fighting the virus.
The first results showed that brands like Listerine and Dentyl could kill the virus in 30 seconds. It was noted that the tests only killed the virus in saliva, not once it reached the lungs or airways.
Going forward, researchers will hold a 12-week clinical trial at University Hospital of Wales to test the effectiveness of brands of mouthwash in reducing COVID-19 in patients’ saliva.
“While this in vitro study is very encouraging and a positive step, more clinical research is now clearly needed,” Professor David Thomas of Cardiff University, who is leading the clinical trial, told Sky News .
“We need to understand whether the effect of over-the-counter mouthwashes on lab-obtained COVID-19 virus can be replicated in patients, and we look forward to completing our clinical trial in early 2021.”
Full details of the Cardiff University study can be found here.
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