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The estimated proportions of BQ.1 and XBB lineages. (A) and (B) show the proportions of the Omicron subvariants and other variants that moved every two weeks from 15 September, 2022 to 2 February, 2023 globally and in other three countries (Singapore, USA and UK). Data were obtained from GISAID and last accessed on 2 February 2023. (C) shows the global Re of BA.5, BQ.1, BQ.1.1, XBB, XBB.1 and XBB.1.5.
