The Centers for Disease Control and Prevention are recommending Americans wear masks in public. The agency revisited earlier guidelines that said people didn’t need to wear masks after more evidence ...

The Washington Post is providing this news free to all readers as a public service. Follow this story and more by signing up for health, science, and environment email alerts. On Friday, President ...

Guidance on whether to wear a face mask varies locally. But the Centers for Disease Control and Prevention has recommended that all Americans, healthy and sick, wear basic cloth masks in public — a ...