Nope. Nobody is able to say how much they slow the spread or how many cases they prevent. The hypothesis actually doesn't even make sense, which is why masks are not rated as PPE for viruses or pandemic control.
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I just told you this: reducing the R value to get it below 1. As long as each infected person on average infects 1 or more other people, the situation is under control (and each infection increases the risk of new variants emerging, causing further problems).
Thanks. Twitter will use this to make your timeline better. UndoUndo
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Is there anywhere in the US where cases have gone down after mask mandates? At 26M cases, it looks endemic to me.
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It's interesting how people on both extremes of this issue seem to have a problem seeing this as a risk management issue. I think some people see any chance of contagion as an indicator that an activity shouldn't be done, full stop.
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Tweets aren't conducive to nuance. I have mentioned South Korea, where no lockdown was introduced. I'm as tired of lockdowns as anybody, and with the right precautions, they can be done away with at this point. Wearing a mask in a shop is part of that. That's all
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