Impact of COVID-19 Vaccination Program on Seroprevalence in Blood Donors in England, 2021

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Abstract

The COVID-19 vaccination programme commenced in the UK on 8th December 2020 primarily based on age; by 24 February 2021 approximately 93% of the English population aged 70-79 years had received at least 1 dose of either the Pfizer BioNTech or AstraZeneca vaccines. Using a nucleoprotein assay that detects antibodies following natural infection only and a spike assay that detects both infection and vaccine-induced responses, we aim to describe the impact of vaccination on SARS-CoV-2 antibody prevalence in English blood donors.

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last seen: 2026-05-19T01:45:01.086888+00:00