The variant, known as XE, is a combination of the original BA.1 omicron variant and its subvariant BA.2. This type of combination is known as a "recombinant" variant.
LONDON — The prevalence of Covid-19 in the U.K. has reached record levels, with about 1 in 13 people estimated to be infected with the virus in the past week, according to the latest figures from Britain’s official statistics agency.
Covid cases have continued to rise in the UK, with an estimated one in every 20 people infected, figures from the Office for National Statistic suggest.
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