A new Covid variant, identified as XEC, is showing signs of potentially becoming dominant, according to scientists. First detected in Germany in June, XEC cases have since been reported in the UK, US, Denmark, and other countries, as noted by users on X (formerly Twitter). This variant has some new mutations that may facilitate its spread this autumn, though experts believe current vaccines should still be effective in preventing severe illness. For those at higher risk of severe Covid, the NHS offers a free booster shot.

While the vaccines have been updated to address recent variants, XEC, which has emerged from earlier Omicron subvariants, is not specifically targeted. Prof. Francois Balloux from University College London stated that although XEC shows a slight transmission advantage, vaccines are expected to provide strong protection. However, it is possible that XEC could become the dominant subvariant over the winter.

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