GREENSBORO, N.C. — If you're going to wear a mask, you want to make sure it really protects you. Health experts say one of these masks is far better at protecting you than the other. To show you why ...
"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Most face coverings, the CDC says, will slow the coronavirus—whether or not the wearer knows he’s ...
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