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COMMENTARY: Masks-for-all for COVID-19 not based on sound data (We've known masks don't work this whole time as evidenced by China) (www.cidrap.umn.edu)
posted ago by usdodsgssog ago by usdodsgssog +42 / -0
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– usdodsgssog [S] 2 points ago +2 / -0

Sweeping mask recommendations—as many have proposed—will not reduce SARS-CoV-2 transmission, as evidenced by the widespread practice of wearing such masks in Hubei province, China, before and during its mass COVID-19 transmission experience earlier this year. Our review of relevant studies indicates that cloth masks will be ineffective at preventing SARS-CoV-2 transmission, whether worn as source control or as PPE.

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