Add Yahoo as a preferred source to see more of our stories on Google. Air travelers need to do more than just remember to bring a mask - they need to bring the right kind. A handful of airlines, ...

Heavy duty N95 and KN95 masks are best at warding of COVID-19, while commonly worn surgical and cloth face coverings filter only about 10 percent of exhaled aerosols, according to a new study. “The ...

BOSTON (CBS) – With the Omicron variant spreading so easily, at least one expert says cloth masks just don't cut it anymore. "The typical cloth mask might be 50 percent effective and that was OK ...