Omicron variant makes up 95% of COVID cases in US
The omicron variant accounts for 95% of all new COVID-19 cases in the U.S., according to data from the Centers for Disease Control and Prevention released Tuesday.
In early December, the highly transmissible variant made up 0.6% of new infections.
![](https://s.abcnews.com/images/US/covid-test-ap-jef-220104_1641319943708_hpMain.jpg)
Meanwhile, the delta variant -- responsible for the summer surge -- makes up 4.6% of new cases, the CDC said.
The data also showed the omicron variant is dominant in all regions of the country. In the New York-New Jersey region and in the Southeast, the variant is linked to 98% of new infections.
-ABC News' Arielle Mitropoulos