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The variant of coronavirus first identified in India is now the dominant strain in the UK, Public Health England (PHE) has said.
The number of cases confirmed by laboratory analysis rose by 79% over the last week to 12,431.
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Scientists believe the variant, now known as Delta, has overtaken the Kent, or Alpha, variant.
They say that there may also be a higher risk of hospitalisation linked to the Delta variant.
But that is based on early evidence, and PHE
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This post was originally posted on BBC News. Read the rest of the story at https://www.bbc.co.uk/news/uk-england-57287112.