Genomic sequencing of over 300 SARS-CoV-2 samples from October-November 2022 shows that the Omicron variant continues to be the dominant strain in the Cayman Islands. Within this, the majority of samples were BA.5 lineages.
There are a number of sub-variants within Omicron which are circulating, and during October-November the most commonly detected sub-variants were CN.1 which attributed 21% of the samples sequenced, BA 4.6 (17%) and BQ.1 (14%). XBB has been detected in the Cayman Islands, with the earliest sample identified late October, however available data does not indicate it to be a commonly detected sub-variant.
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