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Enhanced transmissibility, infectivity, and immune resistance of the SARS-CoV-2 omicron XBB.1.5 variant

In late 2022, the SARS-CoV-2 omicron BQ.1 and XBB lineages, characterised by amino acid substitutions within the spike (S) protein that enhance viral health, had turn into predominant within the western (BQ.1) and japanese (XBB) hemispheres.

  • Ito J
  • Suzuki R
  • Uriu Ok
  • et al.
Convergent evolution of the SARS-CoV-2 Omicron subvariants resulting in the emergence of BQ.1·1 variant.