New COVID Variant XBB Is Gaining Ground Among Americans
MONDAY, Nov. 28, 2022 (HealthDay News) -- U.S. health officials are tracking a new COVID variant that's a combination of two earlier Omicron subvariants.
MONDAY, Nov. 28, 2022 (HealthDay News) -- U.S. health officials are tracking a new COVID variant that's a combination of two earlier Omicron subvariants.