Though statewide coronavirus mask mandates have expired, many people have opted to continue wearing them to keep germs and other airborne viruses at bay. And with face masks now a common wardrobe ...

South Korea's KF94 mask does a good job concealing the Mona Lisa's smile — but how effective is it at preventing coronavirus spread? Here, masked pedestrians stroll through a shopping district in ...

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 ...