"There is emerging evidence that a surgical mask or a hospital or a medical grade mask does a better job," said Dr. Adi Shah. Kristin Thorne has the latest on mask effectiveness and what experts are ...

Add Yahoo as a preferred source to see more of our stories on Google. N95 masks and respirators are what you typically see on healthcare professionals and can filter at least 95 percent of airborne ...

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 ...

Wearing a mask is one way to reduce the spread of COVID-19. There are many types, including surgical masks, cloth masks, and respirators. SARS-CoV-2, the virus that causes COVID-19, usually transmits ...

Two years into the COVID-19 pandemic, the public debate on masks is as heated as ever—especially in Philadelphia, which earned national attention for once again requiring masks in indoor public spaces ...

N95 respirators, the gold standard of filtration masks, are back in the pandemic spotlight because of the highly contagious Omicron Covid-19 variant. Unlike earlier in the pandemic, N95s are now ...

Whether you're concerned about outdoor air quality or preventing airborne illnesses such as the coronavirus, here's how to determine which face covering is right for you. By Nicole Charky-Chami, ...

Kristin Thorne has the latest on mask effectiveness and what experts are recommending. NEW YORK -- You better start stocking up on your surgical or N95 or KN95 masks. Studies are emerging that cloth ...