First Omicron Case in U.S.

California confirms nation’s first Omicron variant casehttps://t.co/ZsliIIcuob

— Erin B. Logan (@erinblogan) December 1, 2021

From the Los Angeles Times:

The infected individual returned home to San Francisco from South Africa on Nov. 22 and tested positive Monday, officials said. The person was fully vaccinated and experienced mild symptoms that did not require hospitalization and are improving.