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Not All Masks Are Created Equal: How To Choose The Safest Mask For You - NPR

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NPR's Lulu Garcia-Navarro speaks to Jeremy Howard, a research scientist at the University of San Francisco, about how to decide what masks might be more effective in preventing COVID-19 infections.

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January 24, 2021 at 07:58PM
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Not All Masks Are Created Equal: How To Choose The Safest Mask For You - NPR
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