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A comment on You Probably Should Be Wearing a Face Mask If You Can. Parent comment

Re:You Probably Should Be Wearing a Face Mask If You Can by collinmanderson on Monday March 30, 2020 @08:40PM (#22733840)
Jeremy Howard has done a ton of research. Depending on the material, it's around 50% effective, which is incredible given the current situation.

https://twitter.com/jeremyphoward/status/1242894378441506816

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