I thought that I did.
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surgical facemasks could efficaciously prevent the transmission of human coronaviruses and influenza viruses into the environment in respiratory droplets, but no significant reduction in aerosols.
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Quote:
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[facemask] wearers get a false sense of security, encouraging them to spend more time in public places
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Of course there is a lot more specificity about the physics, but the take-away is in that vape mask image.
I have been saying for a very long time that this virus does not escape bodies only as spittle - that much smaller aerosols will also be exhaled.
Yes, the study says a surgery mask stops/slows spittle. Yes some spittle will fall just 3 feet away..
Maybe if I had a Paul Harvey
The rest of the story line people would hear about the vapor nature of expelled virus. But, too many are focused on
one mental model - spittle transmission. They cling to this as the ONLY thing that needs to be considered. :-/