Here is a study that reveals masks are worthless in defending even any infectious diseases.https://www.rcreader.com/commentary/masks-dont-work-covid-a-review-of-science-relevant-to-covide-19-social-policy
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Sean Black
https://youtu.be/sSBQUIEUbQ8
ZERO Evidence that COVID Fulfills Koch's 4 Germ Theory Postulates - Dr. Andrew Kaufman & Sayer Ji
youtu.be
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