Home/cnn/cnn news/daily news/news/Ron Johnson says mouthwash can kill COVID-19. Manufacturer of Listerine, medical experts say there's no evidence yet to prove that.
Ron Johnson says mouthwash can kill COVID-19. Manufacturer of Listerine, medical experts say there's no evidence yet to prove that.
Ron Johnson says mouthwash can kill COVID-19. Manufacturer of Listerine, medical experts say there's no evidence yet to prove that.
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January 14, 2022
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