Add Yahoo as a preferred source to see more of our stories on Google. As a result of the Canadian wildfires, the air quality on the East Coast is currently among the world’s worst, rivaling that of ...

Add Yahoo as a preferred source to see more of our stories on Google. Though statewide coronavirus mask mandates have expired, many people have opted to continue wearing them to keep germs and other ...

A self-proclaimed “mask nerd” warns that not all face coverings are alike, but the best ones work wonders. His unmasking advice hits as cloth coverings are out and CDC-recommended respirators are in.

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You’ve heard of N95 and KN95 masks — but have you heard of the KF94, and what’s the difference between the three? There are many high-quality masks on the market with different letters and numbers.

In light of the Omicron variant and at the urging of public-health experts, the CDC has updated its mask guidelines. The agency’s new standards stress that fabric masks are the least protective ...

The omicron variant of the coronavirus may spread more quickly and efficiently, and now that it is the dominant strain it's worth reconsidering use of cloth masks. In some places, such as Minnesota ...

Este artículo está disponible en español. Léelo en español. As the more highly transmissible omicron variant continues to be the country’s dominant Covid strain, health experts are recommending adults ...

Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. One essential back-to-school item for kids this fall is a face mask — the Centers for Disease ...