Quote:
Originally Posted by OLD BOY
Well, when you consider the type of masks the public buy in great numbers, and you consider the materials used and the importance of having a well-fitting mask if it's to do much good, I think we are fooling ourselves if we really believe that this is an effective means of preventing infection.
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Cheap/home made masks actually work surprisingly well. Basically anything in front of your mouth & nose will catch droplets.
"cloth and surgical masks were not significantly different"
https://academic.oup.com/cid/advance...iab797/6370149