People who test positive need to isolate themselves for 5 days if they don't show symptoms. The change reflects "what we know about the spread of the virus" and vaccine protection, the CDC chief says.

Travelers continue to deal with flight disruptions during the most recent COVID surge.

Rapid at-home COVID tests are in short supply after holiday gatherings and a nationwide test shortage. Public libraries have been handing out those test kits but they are going out the door as soon as supply comes in.

The omicron variant has COVID cases in Ohio climbing at a pace not seen since last January, causing more event cancellations. Ohio State has canceled the men’s basketball game scheduled for Tuesday. The NHL has also canceled Tuesday’s Blue Jackets game.

It's been another tough year for the state as more Ohioans have died from COVID-19 this year than in 2020.

More than 1,400 flights canceled worldwide Monday, adding to thousands canceled over the Christmas weekend. And across the country, long lines continued at COVID-19 testing sites.

UCLA, Virginia, Boston College and Miami bow out of their bowl games because of an insufficient number of players. Rosters also are depleted by injuries and players opting out of games.

Americans are scrambling to find out if they're COVID-free so they can go through with their plans. But for many, that means queuing up for hours or tracking down scarce at-home testing kits.

A hospital leader said doctors and nurses are dealing with increased encounters with family members and loved ones of patients.

The medicine, called molnupiravir, is taken twice a day for five days and works by preventing the virus from replicating. Merck says it will have 10 million packs available by the end of the month.