Omicron now the dominant U.S. Covid strain at 73% of cases

The omicron variant is now the dominant Covid strain in the U.S., representing 73% of sequenced cases, according to data published Monday by the CDC.
— Read on www.cnbc.com/2021/12/20/omicron-now-the-dominant-us-covid-strain-at-73percent-of-cases.html