Layering your face is in — but not as a fashion statement. It may just save a li…
Layering your face is in — but not as a fashion statement. It may just save a life. Public health officials are suggesting double masking as a way to increase the level of protection from the coronavirus and its multiple, more contagious variants. A surgical mask under a cloth mask and you get “over 91% removal efficiency for particles,” said Joseph Allen, an associate professor at the Harvard T.H. Chan School of Public Health.
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