INQ000408421 - Paper from Lopez Bernal and others titled Effectiveness of the Pfizer-BioNTech and Oxford-AstraZeneca vaccines on covid-19 related symptoms, hospital admissions, and mortality in older adults in England: test negative case-control study, dated 27/04/2021.

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Paper from Lopez Bernal and others titled Effectiveness of the Pfizer-BioNTech and Oxford-AstraZeneca vaccines on covid-19 related symptoms, hospital admissions, and mortality in older adults in England: test negative case-control study, dated 27/04/2021.

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