Table 4.
Comparison of cumulative cases in the general population and seroprevalence in the study population at the time of the final blood draw
| Location | Date | Cumulative cases by county/date (%) a | Clinical site seroprevalence (%) (no. of positive/total) | |
|---|---|---|---|---|
| Site 1 | 10/16/2020 | 3.1 | 5.8 (7/120) | |
| Site 2 | 11/03/2020 | 4.5 | 17.9 (7/39) | |
| Site 3 | 12/23/2020 | 8.1 | 44.0 (4/9) | |
| Site 4 | 12/03/2020 | 7.7 | 16.0 (4/25) | |
| Site 5 | 12/03/2020 | 7.0 | 30.9% (13/42) | |
a
Public data retrieved from South Dakota Department of Health (https://doh.sd.gov/COVID/Dashboard.aspx) and Minnesota Department of Health (https://www.health.state.mn.us/diseases/coronavirus/index.html).