The so-called 'stealth omicron' subvariant is now responsible for over 90% of cases in New England.
That rapid growth in subvariant cases is part of a trend of increasing cases in the state of Massachusetts."I would call it a bump in cases," Dr. Shira Doron of Tufts Medical Center said.
COVID-19 cases are creeping up in New York City and Washington, which could mean a minor wave of COVID-19 cases is underway. But a wave fueled by the BA.2 variant would be more mild, says NBC News medical correspondent Dr. John Torres. White House chief medical advisor Dr. Anthony Fauci said BA.2 is about 50% to 60% more transmissible than omicron, but it does not appear to be more severe."However, when you look at the cases, they do not appear to be any more severe and they do not appear to evade immune responses either from vaccines or prior infections."Northwestern's Dr. Michael Angarone, an associate professor of medicine in infectious diseases, said the symptoms for BA.