New COVID variants are fueling hospitalizations and prompting some schools and hospitals to reinstate mask mandates. Others are considering or ruling out the possibility, leaving it up to individuals.
Professor Jon Levy went viral for wearing a mask during a Zoom call alone in his office. He has some thoughts about why.
In China, for example, not only are masks required on planes but gloves are recommended — and passengers are urged not to touch their face during the flight. Here's what you'll find around the globe.
One law professor has a theory about the Justice Department's slow response — and it all goes back to a case involving "heavy knitted underwear" from the 1940s.
Sure, you don't have to wear a mask on airplanes, buses and ride shares anymore, but you still might want to depending on the circumstances. Here's what experts say about the risks.
Judge Kathryn Kimball Mizelle's decision hinged on a definition of the word 'sanitation' that public health experts and legal scholars say missed the mark.
The Biden administration will continue to require travelers to wear masks on planes and other forms of public transport,.
The city will require masks in schools, businesses, government buildings and restaurants starting April 18.
The states are suing to end the public transportation mandate, claiming the continued enforcement "harms the states" and interferes with local laws. The mandate is in place at least through April 18.
Scientists say that for most children, masks in school aren't a major obstacle to learning or socializing. Students in classrooms find other ways to connect.