US top infectious disease expert Anthony Fauci has warned of the risks of a new Covid-19 variant, first identified in India, which is now spreading widely in the UK.
More than 6 percent of the sequenced Covid-19 infections in the US trace to the highly transmissible Delta variant, Fauci said on Tuesday, 8 June.
The variant has become the dominant strain in the UK, accounting for an estimated 60 per cent of new cases, replacing the B.1.1.7 strain, according to Fauci.
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