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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Ideally, we'd have better contact tracing data to give us guidance, and with this, we could measure it since the intervention and measurement is the same person. But that's not us right now.
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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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