Amid a shortage of medical-grade masks, federal guidelines now recommend everyone wear face coverings out in public. Here's ...

Do masks work? And if so, should you reach for an N95, a surgical mask, a cloth mask or a gaiter? Over the past year and a half, researchers have produced a lot of laboratory, model-based and ...

Wearing a mask is one way to reduce the spread of COVID-19. There are many types, including surgical masks, cloth masks, and respirators. SARS-CoV-2, the virus that causes COVID-19, usually transmits ...

Your trusty cloth masks have gotten you through nearly two years of pandemic. But with Covid's highly transmissible omicron variant quickly spreading across the ...