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 ...

New research shows that while many cloth and medical masks fall short against tiny airborne particles, simple hacks like overmasking or using braces can dramatically improve your protection, yet only ...

In a head-to-head comparison of masks worn by people with active COVID-19, the inexpensive "duckbill" N95 came out on top, stopping 98% of COVID-19 particles in the breath of infected people from ...

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 ...

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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Dr. Eric Westman was helping a Durham nonprofit organization provide free masks to people who need them when he decided he should find out whether the masks would really prevent the spread of ...