Progress of research on SARS-CoV-2 XBB variant strain
As the severe acute respiratory syndrome corona-virus 2(SARS-CoV-2)continues to evolve and mutate,a variety of variant strains have emerged.XBB variant strains were firstly discovered in India on August 13,2022 and have displayed the characteristics of rapid transmission,strong adaptability and immune evasion,and the vari-ant strains have gradually become the most prevalent around the world.The pathogenicity,epidemiological char-acteristics and features of immue escape of the XBB variant strains as well as the effect of vaccines were summa-rized in the article,and coping measures for prevention and control of the XBB strains were proposed.
XBBPathogenicityEpidemiological characteristicImmune escapeEffect of vaccinePrevention and control measure