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A comment on Low-cost measurement of facemask efficacy for filtering expelled droplets. Parent comment
2 m distance reduces risk by 10x face mask reduces risk by 6x eye protection by 5x There is some uncertainty in these figures
https://www.thelancet.com/journals/lancet/article/PIIS0140-6...
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2 m distance reduces risk by 10x face mask reduces risk by 6x eye protection by 5x There is some uncertainty in these figures
https://www.thelancet.com/journals/lancet/article/PIIS0140-6...