Example of how the purpose of masks for ordinary people is still not understood. The ones with exhalation valves, including N95s, should not be worn around people, period. Not just in sterile hospital operating rooms as NYT claims. Cotton mask>valved N95.https://www.nytimes.com/interactive/2020/health/coronavirus-best-face-masks.html …
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Once you start really investivating how poorly our understanding of a mechanism predicts clincal outcomes, you're gonna have a real bad time.
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this scientific paper is low N, but it seems to be saying what i am saying: https://annals.org/aim/fullarticle/2764367/effectiveness-surgical-cotton-masks-blocking-sars-cov-2-controlled-comparison#.Xot-MbRataU.twitter …
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He's right about the glasses. I don't know how health workers with poor vision carry on, but I take mine off and do my part in protecting the good, if blurry, folk.
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i would walk into a car without mine on
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Thank you!!!!!
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). Will update here as well.