New Omicron variants could fuel fresh COVID-19 infections: UK

The UK Health Security Agency (UKHSA) said that it is studying BQ.1 and XBB sublineages of Omicron and several new variants of the BA.2 family. The health agency also warned that newly emerging BA.2 variants have the potential to drive new waves of COVID-19 infections in the country as lab studies show they could partially sidestep existing immunity.