Estimated Percentage of Immunity Statewide


County-Level Estimated Percentage of Population with COVID-19 Immunity in South Carolina

Updated: October 7th, 2021

For each South Carolina county, the number of COVID-19 patients diagnosed in the past seven months were totaled. A majority of these people likely have immunity to COVID-19. We also totaled the number of people in each county who have received partial and full vaccination and adjusted the immunity levels accordingly. Adjustments were made to not double count people who had a recent infection and also received the vaccination. To account for uncertainty in the analysis we ran sensitivity analysis in a mathematical model, and results are shown with ranges to convey uncertainty. Specific details on the methods and sources of data are available in the “Methods and Metrics” section of the website.