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 ...

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 ...

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Three years after a global pandemic prompted public health officials to recommend widespread mask-wearing, social media users warned that people who wore masks unknowingly subjected themselves to ...

Since the pandemic began, there have been dozens of published research articles detailing the difficulty of recognizing masked faces. I reviewed some of these findings in two prior posts, here and ...

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?