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, ...

Nearly two years into the COVID-19 pandemic, case rates are at a record high in America as the highly infectious omicron variant spreads. On Friday, the Centers for Disease Control and Prevention ...

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 ...

As COVID-19 cases rise again in the United States with the emergence of the omicron variant, people are focusing on things they can do to best protect themselves against COVID-19. Public health ...

During the early stages of the COVID-19 pandemic, a research team went looking for and found a way to make standard surgical masks better at keeping out small airborne droplets that might contain the ...

As health officials scramble to minimize spread of the highly contagious Omicron variant, many experts have recommended that people switch from cloth or surgical masks to more-protective N95 and KN95 ...