I mean you find a lot of this. …https://www-sciencedirect-com.libproxy.lib.unc.edu/science/article/pii/S0140673603131686 … Masks work to protect health-care workers. You find those across the board.
I’m gonna come back to that, because false sense of security I think is completely without evidence and with a lot of evidence otherwise but longer!
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On the wet spot like you outline here, even if you concede the scenario how can it possibly be worse than directly breathing that fine flour, no mask? https://twitter.com/boriquagato/status/1278784120252821504 …
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