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, ...

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 ...

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 ...

To help combat Omicron, the Biden administration is opening up more Covid testing sites and delivering 500 million Covid tests to Americans. WSJ’s Daniela Hernandez breaks down why testing is still a ...