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, ...

Single-layer cloth masks may not provide adequate protection against the very infectious omicron variant of COVID-19, according to a recent Wall Street Journal report. Many infectious disease experts ...

CNN’s medical analyst Dr Leana Wen has said that cloth masks are useless in the fight against the spread of the Omicron variant of Covid-19, instead encouraging viewers to wear three-layer medical ...

The highly transmissible omicron variant is sweeping through the U.S., causing a huge spike in COVID-19 cases and overwhelming many hospital systems. Besides urging Americans to get vaccinated and ...

Although N95 masks are most effective in blocking the transmission of the coronavirus, cloth and surgical masks also help, especially if everyone in a room is wearing them, experts and multiple ...