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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Anectodally, I am seeing an uptick in the "I don't know where I got infected" stories. A real increase due to seasonality, community transmission and variants? I dunno. I think vaccination plus getting through the seasonal part will help, and most focus is on the next few months.
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(And this is yet another instance of why on earth do we not have better data? I mean, yes, cluster randomization for cloth masks for source control is hard, but I wish we had a randomized N95 study launched in Fall! We'd be on much firmer ground than this guessing game).
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