It additionally mentioned protection towards loss of life from the Pfizer-BioNTech vaccine rises from roughly 80% after one dose to 97% after two doses in its new evaluation.
PHE mentioned the research was the primary on safety towards mortality from the AstraZeneca vaccine based mostly on information from an actual world setting.
The research checked out new symptomatic instances of Covid-19 between December and April and individuals who died inside 28 days of their constructive check by vaccination standing.
Individuals who had a single dose of AstraZeneca vaccine have been 55% protected towards loss of life, with a determine of 44% safety for a single dose of Pfizer, in comparison with unvaccinated individuals.
“Mixed with the safety vaccines supply towards changing into a case within the first place, that is equal to roughly 80% safety towards mortality in people vaccinated with a single dose of both vaccine,” PHE mentioned in a press release.
Safety towards mortality from the Pfizer-BioNTech vaccine improved to 69% for instances who had their second dose no less than every week earlier than they examined constructive. Mixed with the estimated safety from getting Covid-19 to start out with, that is equal to an estimated 97% safety, PHE mentioned.
Prime Minister Boris Johnson is about to verify additional easing of lockdown restrictions in England on Monday, helped partially by the pace of the nation’s vaccine rollout.
In one other dataset, PHE mentioned that it was estimated that two doses of the Pfizer-BioNTech vaccine reduces the danger of hospitalisation by 93% for the over 80s.