TABLE 3.
Symptomatic Testing and Positivity Risk Stratified by Time of Collection
| Site | All(7/1/2021–5/1/2022) | Δ(7/1/2021–12/18/2021) | Ο(12/19/2021–5/1/2022) | |||
|---|---|---|---|---|---|---|
| Total Tests | Total Positivea, n (%) | Total Tests | Total Positiveb, n (%) | Total Tests | Total Positivec, n (%) | |
| Children's Mercy and ICF | 326 | 70 (21.5) | 130 | 8 (6.2) | 196 | 62 (31.6) |
| San Diego State University | 1012 | 118 (11.7) | 168 | 4 (2.4) | 844 | 114 (13.5) |
| University of Miami | 511 | 55 (10.8) | 225 | 17 (7.6) | 286 | 38 (13.3) |
| University of Rochester | 216 | 24 (11.1) | 136 | 8 (5.9) | 80 | 16 (20) |
| Washington University School of Medicine | 635 | 153 (24.1) | 351 | 37 (10.5) | 284 | 116 (40.8) |
| Washington University School of Medicine in St. Louis and Special School District of St Louis county | 25 | 4 (16) | 9 | 0 (0) | 16 | 4 (25) |
| All sites | 2725 | 424 (15.6) | 1019 | 74 (7.3) | 1706 | 350 (20.5) |
ICF, The Inner City Fund.
a
Percentages are calculated based on the total number of participants tested during the survey time period.
b
Percentages are calculated based on the total number of participants tested during the δ variant time period.
c
Percentages are calculated based on the total number of participants tested during the ο variant time period.