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May 8, 2020 09:10 pm

Why You Shouldn't Wear a COVID-19 Mask That Has a Valve

In some states and major cities, it's now mandatory to wear a mask in public to prevent the spread of COVID-19. That mask could be anything from a handkerchief to a designer cotton mask to a full-blown N95 respirator, so long as you have something between your mouth and nose and the world around you. But in California's Bay Area, there's a new stipulation: You can wear any style of mask you want, so long as it doesn't have a valve in it. What? Why? Because a mask with a valve may protect you from some pathogens in the air, but it doesn't protect the people around you from your own breath.

Read more of this story at Slashdot.


Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/_sz2toqrq24/why-you-shouldnt-wear-a-covid-19-mask-that-has-a-valve

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