TABLE 1.
Weekly APOCT results for asymptomatic staff at continuing care sites across Alberta, Canada
| Weeka | No. of reporting sites | No. of tests performed | No. (%) of APOCTs |
||
|---|---|---|---|---|---|
| Positiveb | Invalid | Confirmed by rRT-PCRc | |||
| 22–28 Feb 2021 | 11 | 615 | 1 (0.16) | 4 (0.65) | 0 |
| 1–7 Mar 2021 | 115 | 2,446 | 0 | 4 (0.16) | 0 |
| 8–14 Mar 2021 | 188 | 4,374 | 3 (0.07) | 16 (0.37) | 0 |
| 15–21 Mar 2021 | 309 | 8,680 | 8 (0.09) | 29 (0.33) | 1 (12.50) |
| 22–28 Mar 2021 | 293 | 7,603 | 6 (0.08) | 4 (0.05) | 1 (16.67) |
| 29 Mar to 4 Apr 2021 | 311 | 8,029 | 9 (0.11) | 13 (0.16) | 5 (55.56) |
| 5–11 Apr 2021 | 317 | 9,599 | 12 (0.13) | 3 (0.03) | 8 (66.67) |
| 12–18 Apr 2021 | 325 | 9,312 | 15 (0.16) | 4 (0.04) | 6 (40.00) |
| 19–25 Apr 2021 | 321 | 9,541 | 17 (0.18) | 6 (0.06) | 10 (58.82) |
| 26 Apr to 2 May 2021 | 369 | 11,648 | 16 (0.14) | 4 (0.03) | 8 (50.00) |
| Total | 369 | 71,847 | 87 (0.12) | 87 (0.12) | 39 (44.83) |
aFeb, February; Mar, March; Apr, April.
b
Change in APOCT positivity across the 10 weeks is not significant (Pearson’s chi-square test, P = 0.35).
c
rRT-PCR, real-time reverse transcriptase PCR.