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The Evolving Science of Face Masks and COVID-19 - FactCheck.org
Mar 2, 2021
factcheck.org
3:45
CDC announces new COVID-19 mask guidelines
Jan 15, 2022
ABC News
1:01
Homemade cloth face masks likely need a minimum of two layers, and preferably three, to prevent the dispersal of viral droplets from the nose and mouth, a video case study indicates. https://cnn.it/32Qes5K | CNN
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All masks help prevent the spread of COVID-19 when worn consistently and correctly. Choose a mask with the best fit, protection, and comfort for you. More: https://bit.ly/3aPXQ1v. | CDC
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