If you only have a single-layer or loose-fitting mask, it may be smart to wear two at once. To double up, wear one cloth mask over another, or wear a cloth mask over a surgical mask. Experts have long ...

There have been plenty of trends with masks, whether it’s hooking yours to a lanyard, drawing art on your disposable mask or stocking up on KN95s. But the latest breakout trend, by far, is double ...

NUREMBURG, Germany — Engineers at Carl Zeiss SMT AG and the Sematech consortium have announced a method of photomask registration and overlay suitable for double patterning lithography. The method, ...

CHICAGO (WLS) -- Ever since the pandemic took hold, convincing everyone to wear a mask has been a challenge. And now, with a more contagious variant of COVID-19 detected in the U.S., there's a ...

The Centers for Disease Control and Prevention is now recommending wearing double masks for the first time after it says research shows it can reduce the spread of COVID-19 by more than 90%. For ...

The experts we spoke to disagreed on this. Sharon Nachman, MD, chief of the Division of Pediatric Infectious Diseases at Stony Brook Children's Hospital in New York and one of the country's foremost ...

After months of demands for federal health officials to update mask recommendations, the Centers for Disease Control and Prevention announced new guidelines Wednesday that include wearing well-fitting ...

This week, the US Centers for Disease Control and Prevention released findings that double-masking—wearing one face mask on top of the other—can be an effective way to reduce the transmission of the ...