Face masks effectively limit the probability of SARS-CoV-2 transmission. Cheng Y, Ma N, Witt C, Rapp S, et al. Science 2021 May 20. pii: science.abg6296. doi: 10.1126/science.abg6296.

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Independent Medical Education

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Cheng Y, Ma N, Witt C, Rapp S, et al. Face masks effectively limit the probability of SARS-CoV-2 transmission. Science 2021 May 20. pii: science.abg6296. doi: 10.1126/science.abg6296.
PMID: 34016743