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by lborsato
1674 days ago
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He would likely base that comment on the fact that no pre-2020 RCT studies of masks (over decades) showed any significant protective effect against aerosol-spread respiratory viruses. Covid epidemic curves globally similarly showed no change as a result of mask mandates. And a massive outbreak of influenza was not deterred by a fully masked U. Mich campus. They seem to provide a psychological benefit to some though. |
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