Can COVID-19 Transmission Be Prevented by Mouthwash?

A new study conducted by researchers at the Penn State College of Medicine has found that a common dental item can inactivate human coronaviruses: mouthwash and oral rinses. Results were published in the Journal of Medical Virology, in which researches tested various oral and nasopharyngeal rinses–one percent solution of baby shampoo, a neti pot, peroxide sore-mouth cleansers and mouthwashes–to determine how well they inactivated human coronaviruses. Read the news release.