Subscribe to the Magazine View this as website What to know about dominant COVID-19 strains BQ.1 and BQ.1.1 The new coronavirus subvariant BQ.1 and its sibling BQ.1.1 account for the majority of COVID-19 infections in the United States, though so far concerns that the new variants could fuel a winter resurgence in case counts have yet to materialize. Read the full story here. Latest News in US Healthcare Researchers could be homing in on universal flu vaccine By Abigail Adcox