Two doses of AstraZeneca offer high protection against delta variant, says Public Health England study
The Hindu
In the case of Pfizer vaccine, the protection against hospitalisation was 94% after one dose and 96% after two doses.
A real-world study undertaken by Public Health England in 14,019 people infected with the delta variant (B.1.617.2) in England found that vaccination with two doses of AstraZeneca and Pfizer offered high protection against hospitalisation. Of the 14,019 people infected with the delta variant, only 166 required hospitalisation. The study was undertaken between April 12 and June 4. In the case of AstraZeneca, effectiveness against hospitalisation after full vaccination was 92%, while it was 96% in the case of Pfizer. The as a preprint. Preprints are yet to be peer-reviewed. Public Health England had earlier found that despite modest reductions, vaccines remain effective against the delta variant. It found that in the case of the delta variant, full vaccination offered good protection against symptomatic disease. Vaccine effectiveness against symptomatic disease was 67% in the case of AstraZeneca and 88% with Pfizer.
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