The Delta variant of COVID-19, or the B1.617.2 variant first identified in India, is around 40 percent more transmissible than the Alpha or so-called Kent variant of concern (VOC), UK Health Secretary Matt Hancock said.
The senior Cabinet minister said the spread of the Delta variant, behind a recent rise in Coronavirus infections in the country, had made the unlocking plans set for June 21 more difficult.
However, he pointed out that a majority of those in hospital as a result of the Delta variant had not had a vaccine at all and only a “small minority had had both doses of a COVID-19 vaccine, which the minister said reflects the scientific advice that one vaccine is not quite as effective against the Delta VOC as against the Alpha variant but both doses are just as effective.
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