I think it’s because aerosolization and being inside (low UV) are key to transmission. masks unfortunately cant do much for aerosolization There’s surely other reasons I’m nit thinking of too
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Replying to @raphaels7 @lonnibesancon and
of course masks help against aerosolization, that's just silly. (1) Is a poorly fitting mask with gaps around the side still going to allow aerosols in? Yes. Will it allow in *less* - yup. (2) will it decrease aerosols exhaled? Dramatically. Ergo, decreases in transmission.
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Replying to @DavidSteadson @lonnibesancon and
that's a perfectly reasonable hypothesis, in fact I thought the same thing > 1 year ago. then I read the RCTs... the results are really counter intuitive
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Replying to @raphaels7 @DavidSteadson and
You keep mentioning RCTs that only you are private to it seems.
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Replying to @lonnibesancon @DavidSteadson and
here's one from 2015 about cloth vs surgical masks https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4420971/ … a 2020 European review of trials https://www.ecdc.europa.eu/en/publications-data/using-face-masks-community-reducing-covid-19-transmission … a recent one about masks aerosolizing the virus https://journals.plos.org/plospathogens/article?id=10.1371/journal.ppat.1003205 … I wish masks worked, honestly. I would've bet they might!
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Replying to @raphaels7 @DavidSteadson and
From your second source... I mean if when you read "wearing a mask is likely to help" you understand "it doesn't help" then sure, all papers conclude that they don't. You're just beyond ridiculous. Also countries in Asia say "Hi!" ;)pic.twitter.com/TvaZ5AqdHh
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Replying to @lonnibesancon @DavidSteadson and
"Prior to COVID-19, most studies assessing the effectiveness of face masks as a protective measure in the community came from studies on influenza, which provided little evidence to support their use" ;)
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Replying to @raphaels7 @lonnibesancon and
Asian countries also have more prior immunity to coronaviruses - how do you know which of the correlations is causal? you do an experiment. you're assuming the correlation is causal (I'm not)
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Replying to @raphaels7 @lonnibesancon
Eh? That's not really true, it was a theory that they ~might~ have more prior immunity, but it has been largely disproven at this stage
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Replying to @GidMK @lonnibesancon
that's not what I've seen - > 17yrs ongoing immunity from SARS-1 - SARS coronaviruses naturally more endemic in that region - massive antibody-cross reactivity with common cold (in Europe too, thankfully) what have you seen, specifically?
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Health Nerd Retweeted Prof. Shane Crotty
Any references for those statements? SARS-1 was a fairly small number of infections, "naturally more endemic" is not supported in the literature, and as for cross-reactivity I'll just link to the expert in the matterhttps://twitter.com/profshanecrotty/status/1293344524731691008?s=20 …
Health Nerd added,
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