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UK study finds one dose of Pfizer/BioNTech vaccine reduces risk of infection by 72%

February 22, 2021. Summarized by summa-bot.

Compression ratio: 15.6%. 1 min read.

New data from Public Health England shows that the first dose of the Pfizer/BioNTech Covid-19 vaccine "provides high levels of protection against infection and symptomatic disease," the agency said Monday.

London (CNN)New data shows that the first dose of the Pfizer/BioNTech Covid-19 vaccine "provides high levels of protection against infection and symptomatic disease," Public Health England (PHE) said in a press release on Monday.

PHE also analyzed routine testing data based on symptomatic disease in over 12,000 people, which showed that one dose of the Pfizer/BioNTech vaccine was 57% effective against symptomatic COVID-19 disease in those aged over 80 four weeks after the first dose.

By the fourth week after receiving the initial dose, the Pfizer vaccine reduced the risk of hospital admission from Covid-19 by up to 85%.

Among those aged 80 years and over -- one of the highest risk groups -- vaccination was associated with an 81 per cent reduction in hospitalization risk from Covid-19 in the fourth week, when the results for both vaccines were combined, according to the press release.

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