CDC director: Omicron variant mostly mild so far

The chief of the U.S. Centers for Disease Control and Prevention says more than 40 people in the country have been found to be infected with the omicron variant so far and more than three-quarters of them had been vaccinated.

CDC shortens COVID-19 quarantine recommendation to 5 days

The Centers for Disease Control and Prevention officials said the guidance is in keeping with growing evidence that people with the coronavirus are most infectious in the two days before and three days after symptoms develop.