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, ...

For almost two years, masking up has been a fundamental part of America's COVID-19 prevention tactics. But a post on social media claims the type of mask that many wear to prevent the spread of the ...

Christian L'Orange receives funding associated with the testing and evaluation of testing masks including fee-for-service testing and funding from the World Health Organization. The Centers for ...

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 ...