Health
New coronavirus variant may have been in US since October – The Guardian
Re-analysis of 2m Covid tests raises fresh questions about origin of B117 ‘UK strain’ and suggests it may already be widespread
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A coronavirus variant carrying some of the same mutations as the highly contagious British variant may have been in the US since October and already be widespread, a re-analysis of more than 2m tests suggests.
Genome sequencing to confirm whether the variant observed in Americans is the same as the so-called B117 variant currently circulating in the UK is under way.
Results are expected within days but the revelations have prompted fresh questions…
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