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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Replying to @BarbaraWayman
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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Replying to @BarbaraWayman
Point is that there is no reliable science AGAINST or FOR masks, but lots of hints they should work.
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Why doesn't the entire medical community know this? You should send them those imaginary studies.
9:00 AM - 14 Oct 2020
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