The highly transmissible omicron variant is sweeping through the U.S., causing a huge spike in COVID-19 cases and overwhelming many hospital systems. Besides urging Americans to get vaccinated and ...

CDC says people at high risk of COVID might want to opt for an N95 mask. Any mask is better than no mask. But loosely woven cloth masks provide the least amount of protection and Americans in some ...

The highly transmissible omicron variant is sweeping the U.S., causing a huge spike in covid-19 cases and overwhelming many hospital systems. Besides urging Americans to get vaccinated and boosted, ...

The CDC hasn’t updated its guidance on masks to recommend wearing a higher-quality mask in the face of the omicron variant. But experts recommend that single-layer cloth masks are not protective ...