Two New Omicron Subvariants Gain Ground in U.S.
THURSDAY, June 9, 2022 (HealthDay News) — The Omicron subvariants BA.4 and BA.5 are spreading rapidly in the United States, but it’s not yet clear if they’ll trigger a new wave of infections or a surge in hospitalizations and deaths, experts say. The subvariants now account for 13% of newContinue Reading