UK studies new COVID variant XE as mutation of Omicron https://ift.tt/3sWq49u

The UK Health Security Agency (UKHSA) is studying XE - a mutation of the BA.1 and BA.2 Omicron strains - and as of March 22, 637 XE cases had been detected in England, according to official figures. Professor Susan Hopkins, the UKHSA's chief medical advisor, said such variants are known as "recombinant" and usually die off "relatively quickly".

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