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 ...

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 ...

Researchers have shown that three-layered surgical masks are more effective than single or double-layered masks at stopping large droplets from a cough or sneeze from penetrating through the mask. If ...