Whereas medical masks are typically tied loosely around the face (hence air can bypass the filter), respirators fit snugly ...

The lack of adequate personal protective equipment in the midst of the COVID-19 pandemic is leading hospitals around the country to buy N95 respirator masks that are faulty and use them, The Wall ...

U.S. authorities said Feb. 10 that they are investigating the source of millions of counterfeit N95 masks that have been sent to hospitals, medical institutions and government agencies in at least ...

NHS leaders are encouraging people with flu symptoms to mask up in public. Does the science support this advice?

DEAR DR. ROACH: With all the misinformation flying around, can you comment on whether it's a good idea to wear N95 masks if you have them on hand? A: N95 masks are the standard for personal protective ...

If you’ve put your COVID face masks into retirement, it’s time to start wearing them again if you live in a large region of the United States that could potentially be affected by wildfires — ...