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A longitudinal estimate of seroprevalence beginning May 13, 2020, through December 22, 2020, reported as the number of positive individuals over the total number tested
| Phase 1 | Phase 2 | Phase 3 | |
|---|---|---|---|
| Draw sites | (05/13/20 to 07/13/20) | (8/13/20 to 09/25/20) | (10/16/20 to 12/22/20) |
| Site 1 | 1/162 | 3/135 | 7/120 |
| Site 2 | 0/50 | 1/37 | 7/39 |
| Site 3 | 0/13 | – | 4/9 |
| Site 4 | 0/40 | 1/34 | 4/25 |
| Site 5 | 0/71 | 0/54 | 13/42 |
| Total by phase | 1/336 (0.3%) | 5/260 (1.9%) | 35/235 (14.8%) |
