If you have only seen studies saying masks don't help, or you have only seen studies saying they do help, you just found out you are a low information voter.
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ill do my researchThanks. Twitter will use this to make your timeline better. UndoUndo
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Any of them published prior to 2020 I wonder? The only studies I’ve seen published on cloth masks prior to the COVID hysteria are emphatic that they don’t work.
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Ok, done a little research; seems that almost all “evidence” that even cloth masks work seems to be (i) newspapers articles based purely in “common sense” and (ii) computations between countries that might have huge confounding factors. Zero research with scientific methodology
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