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 ...
SEATTLE -- If 95% of Americans wore masks in public, more than 100,000 lives could be saved from COVID-19 through February, a new modeling study suggests. The study -- from the COVID-19 forecasting ...
How can consumers know how much protection their face covering really offers? A new Duke University study attempts to answer that very question. The study conducted at Duke will help not only in the ...