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 ...

Five months after coronavirus took root in the U.S., face masks remain one of the most controversial and confusing parts of the pandemic. Changing public-health messaging hasn’t helped. In March, when ...

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 ...