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 ...

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 ...

If one mask is good as protection against the COVID-19 virus, does it stand to reason that two would be better? Dr. Anthony Fauci says he thinks so. Fauci, who appeared on the “Today” show on Monday, ...