The XFG variant continues to grow and remains the dominant Covid variant in England.

Estimated prevalence of SARS-CoV-2 lineages amongst available sequenced cases: England Jan 14, 2024 to Aug 31, 2025

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Due to the low number of tests sequenced there is a wide range of uncertainty in these estimates.

Chart: Bob HawkinsSource: UKHSAGet the dataCreated with Datawrapper