A lot of strong statements these days in support universal N95s, wearing 2+ masks. Models are great but can anyone point to a single epidemiological investigation consistent w numbers below (a 15-20% secondary attack rate when everyone is wearing surgical masks)?https://twitter.com/j_g_allen/status/1354382152830513154 …
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Many folks are working or interacting with people who are masked to varying degrees and wearing masks of varying quality/fit, and different levels of ventilation. Different patterns of showing up to work with symptoms, too. So hospital to community translation is a little messy.
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Fair points all around, though still seems the fundamental issue is ppl not wearing any mask at all, not that people aren't wearing N95s. Maybe the ship has mostly sailed on that one.
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