As students return to school and employees head back to the office all with new safety protocols likely including wearing a mask, a new study from Duke University explores which masks are more ...

DURHAM, N.C. -- By now we all know that N-95 masks are better than surgical masks which are better than cloth masks which are better than a scarf or bandana. But are they all better than nothing?

Surgical masks can ward off COVID-19 just as well as N95s for healthcare workers exposed to patients infected with that virus, a study in the Annals of Internal Medicine suggests. To report that this ...

A new study in The Lancet demonstrates that face coverings dramatically reduce the load of SARS-CoV-2 in exhaled breath from infected persons. The reductions reached as high as 98 percent, with ...