Surgical masks are made up of several layers of nonwoven plastic and can effectively filter very small particles, such as droplets of SARS-CoV-2 (the virus that causes COVID-19). The masks typically ...

To help contain COVID-19, one of the most important things you can do is wear a mask. Especially when paired with physical distancing, wearing masks is “the single best way, short of a lockdown, to ...

Months into the pandemic, many hospitals are still facing shortages of N95 masks. For the rest of us, the masks that are available—especially the surgical masks that are most effective at preventing ...