Ron Johnson says gargling mouthwash kills covid on Twitter, drawing medical skepticism

Though mouthwash can partially kill off parts of the coronavirus in a person’s mouth, most infections occur through the nose, health experts said. “Even if gargling kills some of the virus, it won’t be able to clean the nasal area, nor the viruses that’s already penetrated deeper into the body,” said Kim Woo-Joo, an infectious-disease expert at Korea University.

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