Two doses of the Oxford/AstraZeneca COVID-19 vaccine gives an estimated 94 per cent protection against death from the coronavirus disease in people over 65, Public Health England said on Thursday in a weekly surveillance report of real-world data.
PHE said the majority of the data was derived from a period when the Alpha variant, first detected in England, was still dominant and did not provide a specific estimate of protection from death that the vaccine offered against the now more widespread Delta variant, first detected in India.
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PHE also said that for the under 40s, early estimates suggested a single dose of Pfizer’s vaccine is 61 per cent effective against symptomatic disease and a single dose of the Moderna vaccine is 72 per cent effective.
“This data gives us even more confidence that the vaccines offer high levels of protection against COVID-19 across all age groups,” said Jamie Lopez Bernal, consultant epidemiologist at PHE.
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