The rapid growth of BA.4 and BA.5 in South Africa has implications for a potential future surge in the U.S. Here, passengers make their way through Delta Airlines Terminal Two at Los Angeles International Airport. (Gary Coronado/Los Angeles Times/TNS)TNS
By Rong-Gong Lin II and Luke Money, Los Angeles Times
A pair of new omicron subvariants has emerged, raising the possibility that survivors of earlier omicron strains can get reinfected.
Note to readers: if you purchase something through one of our affiliate links we may earn a commission.