British data: a single dose of AstraZeneca vaccine reduces the risk of death by 80%

Public Health England said on Monday that data from vaccinations with the AstraZeneca vaccine to prevent COVID-19 shows that a single dose reduces the risk of death from disease by 80 percent.

She also said that her new analysis shows that the protection from the risk of death provided by the Pfizer and Biontec vaccines increases from about 80 percent after the first dose to 97 percent after two doses.

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