Omicron BQ variants dominant, XBB circulating at low level
A person receives a coronavirus disease (COVID-19) test as the Omicron coronavirus variant continues to spread in Manhattan, New York City, U.S., December 22, 2021. Andrew Kelly | Reuters The omicron BQ coronavirus subvariants have risen to dominance in the U.S. as people gather and travel for the Thanksgiving holiday, putting people with compromised immune … Read more