The public health debate on masks is settled, said Joseph G. Allen, director of the Healthy Buildings program at Harvard. When you wear a mask, “you protect yourself, you protect others, you ...

Face mask effectiveness: What we know now 02:59. When the COVID-19 pandemic took off in 2020, so too did questions over the effectiveness of wearing a face mask to prevent the spread of the virus.

At this point in the coronavirus pandemic, local mask mandates are disappearing as quickly as toilet paper did from grocery stores shelves two years ago. At the national level, the guidance to ...

After news broke about the BA.2.86 variant earlier this month, the CDC said the agency's advice on protecting yourself from COVID-19 — which includes wearing a high-quality mask among other ...

Valve masks are a type of N95 mask with a one-way valve. The novel coronavirus pandemic brought society a new definition of normal which now includes wearing face masks. While the benefits of ...