Amid a shortage of medical-grade masks, federal guidelines now recommend everyone wear face coverings out in public. Here's ...
Researchers have tested a variety of popular hacks for improving the fit of KN95 and surgical masks, and found that while some hacks do improve fit, they can also come at the cost of the wearer's ...
“A well-fitted N95 would be the highest quality filtering mask that you could wear,” she says. But “the best mask you can wear is the one that you will wear.” In experimental conditions, N95s are ...
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