In Depth: Omicron variant explained

Dr. Waxman says the Omicron variant doesn't appear to be as severe as the Delta variant, but it spreads more quickly.

Omicron variant appearing milder than delta, South African doctors say

In the two weeks since omicron first was reported in Southern Africa, other doctors have shared similar stories. All caution that it will take many more weeks to collect enough data to be sure, their observations and the early evidence offer some clues.

Los Angeles County confirms second omicron case

Los Angeles County has confirmed its second case of the omicron variant of COVID-19. The new patient is a college student who traveled to the East Coast over Thanksgiving. The person is fully vaccinated, had only mild symptoms and is in isolation.