Covid variants: how much protection do the different vaccines offer?
by Nicola Davis Science correspondent from on (#5JM3K)
While restrictions in England could lift soon, impact of Delta variant on vaccination programme is uncertain
On Wednesday Boris Johnson said he saw nothing in the current data to stop the planned lifting of Covid restrictions in England on 21 June. But he said questions remained over how much protection the current vaccines offered against the Delta variant, B.1.617.2.
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