The BA.5 omicron variant is now the dominant strain in the U.S., and it is leading to a new wave of COVID-19 infections. BA.5 was responsible for nearly 54% of COVID-19 cases in the U.S., and BA.4, a similar variant, accounted for another 17%, accor
The latest Omicron subvariant BA.5 is the most easily transmissible COVID-19 variant to date, able to evade previous immunity from COVID infection and vaccination. Dr. Dean Blumberg, Chief of Pediatric Infectious Diseases at UC Davis Children's Hos