Quote:
Originally Posted by Harry Gilbert
A properly fitted and worn N95 or equivalent will stop most virus sized particles. 99.99 percent of people are either not wearing or fitting properly N95 masks or are wearing paper or cloth masks. Its basically just a feel good measure
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This particular coronavirus is not spread via individual molecular particles through masks. It is spread via the particles being carried in globs of mucus, saliva, tears, when someone sneezes, clears their throat, coughs, enunciates their Ss, Ps, Ts, and other plosive sounds through their mouths, or even exhales.
Cloth and paper masks stop a significant percentage of those globs from reaching your assorted facial orifices.