The UK has been estimating their percentage of population with antibodies which includes both people who were infected and vaccinated. Scroll to Figure 1 for th

The UK has been estimating their percentage of population with antibodies which includes both people who were infected and vaccinated. Scroll to Figure 1 for the charts, but before vaccination their levels in the different regions (England, Scotland, NI, Wales) were <20%. https://www.ons.gov.uk/peoplepopulationandcommunity/healthandsocialcare/conditionsanddiseases/bulletins/coronaviruscovid19infectionsurveyantibodyandvaccinationdatafortheuk/7july2021 https://www.ons.gov.uk/peoplepopulationandcommunity/healthan... To me I think that it's kind of surprising how low the percentages are.