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 ...

If possible, wear a surgical mask (aka one of the disposable masks usually made of blue paper) as your first layer, then add a cloth mask on top, Dr. Subramanian said. That's because the cloth mask ...

Revised to include additional information from the CDC. As the highly transmissible omicron variant of COVID-19 tightens its hold on the country, health experts are urging the public to be more ...