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Comment by muchcharles on April Coronavirus Open Thread · 2020-04-17T16:43:56.740Z · LW · GW

Aerosolization maybe happens more after exposure to air where water evaporates off of the lipid/protein shell. On exhale into mask it hasn’t had as much time to evaporate and is in humid environment, on inhale brought mask it has made its way over from another person and has had more time to aerosolize in drier air.

Comment by muchcharles on April Coronavirus Open Thread · 2020-04-17T16:43:56.740Z · LW · GW

And as mentioned below, large droplets would be caught and kept off surfaces reducing hand to face transfer.

Comment by muchcharles on April Coronavirus Open Thread · 2020-04-17T16:43:56.740Z · LW · GW

How would 0.1% IFR square with New York’s state fatality rate of .08%? Seems unlikely it is representative, or it Johnson city was at earlier stage and had more recent exponential growth.