This article is 3 years old
Delta variant fuelled 50pct rise in English Covid prevalence - study
The rapid spread of the Delta coronavirus variant has driven a 50 percent rise in infections in England since May, a large prevalence study led by Imperial College London found on Thursday after Prime Minister Boris Johnson delayed the end of restrictions.
The government said the data supported Johnson's decision to push back the end of Covid restrictions in England to July 19, citing the threat of the Delta variant first identified in India, and the need to vaccinate more people...
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