Omicron BA.2 sub-variant nearly a quarter of new COVID cases in U.S.
The CDC estimates that the Omicron BA.2 sub-variant is now nearly a quarter of new COVID cases in the United States. Nikki Battiste has the latest.
The CDC estimates that the Omicron BA.2 sub-variant is now nearly a quarter of new COVID cases in the United States. Nikki Battiste has the latest.