New Omicron sub-variant BA2 can spread more rapidly than original says UKHSA


A sub-lineage of the Omicron variant of coronavirus is able to spread faster than the original, analysis by the UK Health Security Agency (UKHSA) has found.


The UKHSA said BA.2 – a strain first detected in December – had a comparatively higher growth rate in all observed areas of England, meaning cases were increasing faster than they were for BA.1, known commonly as the Omicron variant.

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