1/ I saw a really dumb argument recently: 70% of covid transmission happens INSIDE families, and only 30% BETWEEN families, therefore wearing masks outside is silly. First: cutting total transmissions, somehow, anyhow, by 1/3 can push R0 below 1.0, thus ending the pandemic. >>
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3/ Inside a family transmission of covid, like inside a building transmission of flame is basically impossible to prevent, or can be prevented but only at huge cost. BETWEEN family transmission / BETWEEN building transmission is much easier to fight.
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4/ When fighting forest fires, fire fighters build fire breaks to isolate one section of a forest from another, with the idea of letting one area burn until the fire is out, and keeping another area pristine. ...they don't let a tree trunk burn but try to save the branches.
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End of conversation
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Lol most of the cell to cell spread is within the same individual!
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