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Delta variant believed to have 60pct transmission advantage: UK epidemiologist

The Delta coronavirus variant of concern, first identified in India, is believed to be 60 percent more transmissible than the Alpha variant which was previously dominant in Britain, a prominent UK epidemiologist said on Wednesday.

British Prime Minister Boris Johnson has said that England's full reopening from Covid-19 lockdown, pencilled in for June 21, could be pushed back due to the rapid spread of the Delta variant.

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