Still Confused About Masks? Here’s the Science Behind How Face Masks Prevent Coronavirus | UC San Franciscohttps://www.ucsf.edu/news/2020/06/417906/still-confused-about-masks-heres-science-behind-how-face-masks-prevent …
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Because the data shows quite clearly that masks are ineffective against virises. Cloth masks increase infection. This data was gathered when there was no political pressure to produce a desired result.pic.twitter.com/wquEwngNR3
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Exactly. Date Range searches are your friend whenever doing research on a topic that's 'in the news'. They help eliminate the noise.
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This is what the CDC said earlier this year regarding masks.pic.twitter.com/4aDquucsQf
Thanks. Twitter will use this to make your timeline better. UndoUndo
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There are no peer reviewed studies of mask-wearing during a pandemic. Then or now. Because it would be unethical to do a controlled experiment.
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Data wasn't better before 2020. We just didn't know all data is unreliable until this year.
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