@stkirsch The primary reason to mask on airplanes is maintenance of a moisture barrier. I have done it for years. Sahara desert humidity averages above 20%. Dry membranes are vulnerable to infection. Virtually all transmission occurs boarding & deplani
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@mbeisen Similarly, we need more studies that measure contagion in specific ways. I have modeled epidemic behavior, and most of it is a big fat blank spot. I did find rare studies that allowed some modeling used here. https://t.co/34tWa8e2ls
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@TECHGANTUA @LetsGoBrando45 Africa isn't that baffling. 1. Africa's reporting & diagnostics are poor. 2. COVID is a relatively minor cause of death in Africa, where there is reporting. 3. Africa's climate isn't COVID friendly. https://t.co/aMAYqia6l
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