Five years after Donald Trump declared a national COVID emergency, here's what the research says about face masks.

A 2013 study found that surgical masks were about three times as effective at blocking influenza aerosols as homemade face masks. (That was true, at least, when air flow was slower than a cough ...

New York Post may receive revenue from affiliate and advertising partnerships for sharing this content and/or when you make a ...

Medical-grade (often called surgical masks) and nonmedical-grade are the two types of disposable face masks. I’ll break down the differences in more detail below, but the most important thing to ...

The coronavirus outbreak around the globe has led to a shortage of protective face masks. The Centers for Disease Control and Prevention says healthcare workers should use homemade masks as a last ...

Cloth face masks, often cobbled together as a makeshift alternative when stocks of surgical masks run low, and sometimes worn as a fashion statement, offer no practical protection against the ...

PETALING JAYA: There is only one way to wear a surgical mask correctly, and that is with the coloured side facing outside. And it doesn’t matter if you are wearing the mask because you are sick ...

Federal officials still wanted to reserve surgical masks and N95 masks for frontline health care workers. States then began introducing requirements that individuals wear face coverings in public.