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A comment on Exhaled SARS-CoV-2 aerosol infectivity enables Covid-19 transmission in minutes. Parent comment

Re:Exhaled SARS-CoV-2 aerosol infectivity enables Covid-19 t... by nikolay on Saturday December 02, 2023 @04:00PM (#38501994)
3M does not sell in America any disposable face masks above the N95 grade. There are some that are valved, but they are unfair as I don't want to infect others as much as I want others not to infect me.
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