However you seem to say that "transmission by inhaled droplets" (i.e. aerosols) has been known for a while, not new info? - Perhaps internally among researchers? - Also at WHO? Is that why they rec ventilation w/o saying why? Recognize it is real but fear of saying "airborne"?
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For sure but another piece is that in the US, ASHRAE has basic requirements so we’re not talking about a room with zero HVAC. That’s why the ventilation is one piece of engineering components, and those are one piece of infection prevention.
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SoCal should be retrofitting classrooms w/ operable windows rn. I'm seeing nada when walking past my neighborhood schools
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Do they also have large, well ventilated bathrooms? Lockers 6' apart? Time and space for feeding all the children while keeping them distanced? How about the teachers lounge? How many times per day will the coffee maker and copier be sterilized? No answers, no school.
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