Omicron BQ.1 and BQ.1.1 – an expert answers three key questions about these new COVID variants Kateryna Kon/Shutterstock Manal Mohammed, University of Westminster Two new omicron subvariants, BQ.1 and BQ.1.1, are quickly gaining traction in the US, collectively accounting for 27% of infections as of October 29. Both are descendants of BA.5, the omicron variant that […] Source