Hmm. Evidence of aerosol, not droplet, transmission and face masks not helping prevent spread. Seems this is all in a hospital context, though. @Pinboard @zeynephttps://twitter.com/darlin/status/1255095278509658113 …
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The mechanisms are quite different. For example, even a light scarf might be useful for 1 because it blocks or deflects the air stream, even if it is useless for 2. Or you have the example of many N95 masks with an exhalation vent that makes them unsuitable for 1, but great for 2
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Really helpful, thanks.
Thanks. Twitter will use this to make your timeline better. UndoUndo
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