The University of Arizona now requires the use of surgical or higher-grade (KN95, KF94 and N99) masks in all indoor spaces on UA's campus where it is not possible to socially distance. That includes ...

NEW YORK -- You better start stocking up on your surgical or N95 or KN95 masks. Studies are emerging that cloth masks are not as effective in preventing the spread of COVID. A study released in ...

A 'Special Communication' article published in the journal JAMA Network Open provides a detailed overview of current high-quality literature describing the utility of face masks in reducing ...

In this delta variant summer, Joan Rohde is masking up — again. "Delta came and we have a grandson now who’s 4 months old, and we want to protect him," Rohde, from North Oaks, says. "Actually the ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Most face coverings, the CDC says, will slow the coronavirus—whether or not the wearer knows he’s ...

Editor's Note: In light of the hazardous levels of smoke sweeping over the Northeast from wildfires in Canada, we've updated this story to include some guidelines on which reusable face masks can help ...

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 ...

A new study examines the efficacy of particle filtration by woven fabric, which consists of fibers twisted together into yarns. There are, therefore, two lengthscales: the diameters of the fiber and ...

Add Yahoo as a preferred source to see more of our stories on Google. While there are still many uncertainties surrounding the COVID-19 pandemic, there is one thing that remains indisputable: Masks ...

SPOKANE, Wash. — The CDC recommends everyone now wears an N95 or KN95 mask as they become easier to obtain. The Biden administration sent out over 400 million free N95 masks across the nation to ...