If you only have a single-layer or loose-fitting mask, it may be smart to wear two at once. To double up, wear one cloth mask over another, or wear a cloth mask over a surgical mask. Experts have long ...

LOS ANGELES - Nationwide shortages of key medical supplies amid the COVID-19 pandemic have forced millions of citizens to fashion protective equipment to keep themselves safe during the widespread ...

It's time to up your mask game. With new, more contagious strains of the coronavirus spreading in the U.S., and transmission levels still very high in many places, some public health experts recommend ...

To protect yourself from the Omicron COVID-19 variant, which is more than twice as contagious than the Delta variant, researchers, public-health experts, and infectious-disease doctors now suggest ...