Amid a shortage of medical-grade masks, federal guidelines now recommend everyone wear face coverings out in public. Here's ...

Wearing a face mask is one way we can all help slow the spread of the new coronavirus that causes COVID-19. Wearing a face mask in public or community settings, especially in situations where you may ...

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 ...