Fresh headlines from around the world. Gaming, politics, technology and everything in between.
A test reveals worse air quality indoors than outside, while product testing shows that some expired masks still filter particles effectively. Talking Point finds out from experts why neither finding tells the whole story.
NIOSH-approved N95 respirators are the most protective type of face mask, according to the CDC. Doctors explain how to shop for them.
KN95 masks can offer the best protection against Covid, according to the CDC. We asked experts how to wear KN95 masks, plus the best brands to shop from.
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