Every COVID-19 metric looks a little more hopeful compared to a few weeks ago. Cases are down. So are hospitalizations. Yet state health officials worry about wild cards, like the omicron variant, and say a cautious approach could help prevent numbers from taking another turn for the worse.

State health officials say more than 10,000 people have died from COVID-19 in Colorado. The grim milestone comes on the one-year anniversary of the first shipment of the Pfizer vaccine arriving in Colorado and about 21 months into the pandemic, The Denver Post reported Tuesday. It also comes on the same day the U.S. death toll from COVID-19 topped 800,000.

The state’s opt-in COVID-19 exposure notification system has been around for a year, but a system upgrade — combined with the latest wave of cases — recently made for a busy few weeks for the app.

Colorado became the third U.S. state to detect a case of the omicron variant in a woman who had recently traveled to Africa, state health officials announced Thursday.

The U.S. is in the midst of another COVID holiday season, and federal laws that offered COVID-related paid sick leave to workers have expired. Colorado, Los Angeles and Pittsburgh are among a small number of places that have put in place their own COVID protections, but many sick workers across the country must wrestle with difficult financial and ethical questions when deciding whether to stay home.

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.

The cases will be determined on a case-by-case basis, depending on the company. Here's a look at where each of the major U.S. airlines stands.

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.

This decision to appeal comes just two days after U.S. District Judge Kathryn Kimball Mizelle ruled against the federal mask mandate.

An official says the virus is under control in some parts of the city. Meanwhile, the IMF cut its forecast of Chinese economic growth and warned the global flow of industrial goods might be disrupted.