confirmed case

First confirmed US case of Omicron detected in California

The Omicron Covid-19 variant was identified by scientists in South Africa

Originally Published: 01 DEC 21 13:45 ET By Jacqueline Howard and Kaitlan Collins, CNN (CNN) -- The United States' first confirmed case of the Omicron coronavirus variant has been identified in California, according to a source familiar. The World Health…