CH.1.1 is BM.4' s virus with four consecutive key mutations, BM.4 is a sub-virus of Ba.2.75.3, and XBB virus is a recombination of BM.1.1.1 and BJ.1 It is hoped that the infected person who has been confirmed as CH.1.1 virus by sequencing will inform the surrounding people to participate in sequencing and reporting cases in time.
From:Wireless / CN / Jinan
