Ideally, everyone (not just medical workers) should be using a KN95 or N95 mask for optimal protection when COVID cases are high or when there's a contagious variant like Omicron, according to the ...

Share on Pinterest N95 face masks offer the best protection from lung damage from wildfire smoke but KN95 masks are also effective. JOSH EDELSON/AFP via Getty Images As wildfires decimate ...

a disposable mask or a respirator, like a N95 or KN95. Ultimately, “the best mask is the one you’re going to wear,” says Dr. Sharon Nachman, chief of the division of pediatric infectious ...