Omicron has been detected in California!

https://www.cnbc.com/2021/12/01/us-confirms-nations-first-case-of-omicron-covid-variant-in-california.html

The US has detected its first omicron and the infected person is fully vaccinated.   This is unsurprising because Israel has a few infected people who received 3 vaccine shots.

https://www.timesofisrael.com/2-doctors-infected-with-omicron-covid-variant-confirmed-cases-in-israel-hit-4/