Health experts have determined that face coverings are a vital tool in reducing the spread of coronavirus -- but little research has been done into how different kinds of masks compare. A new study ...

PORTLAND, Ore. — With new, more infectious variants of the coronavirus popping up in the U.S., it's more important than ever to not just wear a mask but to wear the right mask. In fact, one expert ...

Early in the pandemic, mask-wearing policies were consistently associated with decreased transmission of SARS-CoV-2. At that time, the masks worn were generally made of cloth and often improvised. The ...

US health authorities on Thursday advised medical personnel facing a shortage of protective masks to use bandanas or scarves in an emergency. The guidance was among a series of recommendations from ...