Israel to offer 4th vaccine dose to most vulnerable

Israel has approved a fourth vaccine dose for people most vulnerable to COVID-19, becoming the first country to do so as it braces for a wave of infections fueled by the omicron variant.

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.