The Centers for Disease Control and Prevention (CDC) has changed its guidelines about masks and respirators a number of times over the past two years and gave its most recent update on January 14, ...

Researchers have tested a variety of popular hacks for improving the fit of KN95 and surgical masks, and found that while some hacks do improve fit, they can also come at the cost of the wearer’s ...

We thought we were almost done with masks. Then omicron hit, reminding us that even with vaccines, COVID is likely to stick around as an endemic, resurfacing with new variants. And so cyclical masking ...

Knowing which mask to pick and making sure it’s not a fake requires the sleuthing skills of a forensic investigator. Our guide can help. Credit...Charlie Rubin for The New York Times Supported by By ...

Face masks have been widely used throughout the COVID-19 pandemic to protect people from catching the virus. Researchers discovered certain double masking combinations and fit modifications offer ...

Researchers have tested a variety of popular hacks for improving the fit of KN95 and surgical masks, and found that while some hacks do improve fit, they can also come at the cost of the wearer's ...