Delta plus: the new coronavirus mutation causing a growing number of infections in the UK

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  • BBC News World

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UK health authorities are closely monitoring a new mutation in the delta variant of the coronavirus that is causing an increase in covid cases.

Delta is the dominant variant in this country, but the latest official data suggests that 6% of covid cases that have been genetically sequenced are of a new type, the so-called AY.4.2 or delta plus.

The delta plus variant, which was first confirmed in the United Kingdom in July 2021, has already been identified in at least 44 countries, according to data from the portal, which collects global covid data.

And, according to experts, it contains mutations that could give the virus survival advantages.

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