There are many face masks to choose from, but properly fitting respirators offer the most protection, according to the Centers for Disease Control and Prevention. Experts say N95 respirators are the ...

The state’s cache of 21 million face masks is so old that it can’t be relied on to protect health care providers scrambling to deal with the coronavirus, NBC Bay Area’s Investigative Unit has learned.

The key elements to reducing the spread of the coronavirus involve social distancing, proper hand hygiene and wearing face masks when you can't social distance. Yet there are still people who refuse ...

It’s a seemingly simple question that has divided experts and nations since the beginning of the COVID-19 outbreak: Should members of the public who aren’t sick use face masks to limit the spread of ...