Wearing a mask is useful

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To prevent that, properly made cloth masks can catch the droplets that we spray unknowingly, and mounting research has established that face mask coverings can protect communities.

 


according to a study published in the journal PNAS. And while experts are still studying how effectively cloth-based masks filter the air around you, scientists believe a barrier between your nose, mouth and the air around you may reduce the amount of virus you're exposed to — if you're wearing it correctly, that is

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