Coronavirus (COVID-19) Infection Survey, antibody and vaccination data for the UK: 13 May 2021, ONS

Main points: In England, an estimated 7 in 10 adults or 69.3% of the adult population (95% credible interval: 65.6% to 73.9%) would have tested positive for antibodies against the coronavirus – SARS-CoV-2 – on a blood test in the week beginning 19 April 2021, suggesting they had the infection in the past or have been vaccinated. In Wales, an estimated 6 in 10 adults, or 63.2% of the adult population (95% credible interval: 58.8% to 68.3%) would have tested positive for antibodies against SARS-CoV-2 on a blood test in the week beginning 19 April 2021, suggesting they had the infection in the past or have been vaccinated. In Northern Ireland, an estimated 6 in 10 adults, or 63.5% of the adult population (95% credible interval: 57.6% to 71.2%) would have tested positive fo r antibodies against SARS-CoV-2 on a blood test in the week beginning 19 April 2021, suggesting they had the infection in the past or have been vaccinated. In Scotland, an estimated 6 in 10 adults, or 59.2% of the adult population (95% credible interval: 54.8% to 64.4%) would have tested positi ve for antibodies against SARS-CoV-2 on a blood test in the week beginning 19 April 2021, suggesting they had the infection in the past or have been vaccinated. Across all four countries of the UK, there is a clear pattern between vaccination and testing positive for COVID-19 antibodies but the detection of antibodies alone is not a precise measure of the immunity protection given by vaccination.
Source: Current Awareness Service for Health (CASH) - Category: Consumer Health News Source Type: news