BA.4, BA.5, two new Omicron variants detected in the U.S., could spark another COVID wave
Two new strains of COVID that appear to be more transmissible than even “stealth Omicron,” and that have the ability to evade antibodies from vaccination and prior infection, have arrived in the U.S.—and they could mean a new wave is coming. The World Health Organization (WHO) announced that it is tracking two new subvariants of...