Disposable masks also help prevent the wearer from inhaling large germ particles that may be in the air around them. Medical-grade (often called surgical masks) and nonmedical-grade are the two ...

Experts are now urging Americans to wear medical-grade, disposable surgical masks, N95 masks, and KN95 masks. Because face ...

The debate over face masks to protect against Covid has taken a new twist as some European nations make medical-grade masks compulsory ... or blue and white surgical masks, stop you breathing ...