Table 3.
Start and End date, Observed (Obs) and Expected (Exp) number of cases, relative risk (RR), likelihood ratio (LLR) and P value of detected space–time clusters of high West Nile virus rates for both study species, Culex pipiens/restuans and Aedes vexans, collected across 118 sampling locations in Eastern Ontario, Canada, 2011–2020. Cluster identification number (#) refer to those in Fig. 4 C-D.
| Species | Start date | End date | Obs | Exp | RR | LLR | P | # |
|---|---|---|---|---|---|---|---|---|
| Culex pipiens/restuans | 2015/08/14 | 2017/09/28 | 19 | 3 | 7 | 21 | < 0.01 | 1 |
| 2017/08/04 | 2018/09/06 | 13 | 1 | 11 | 19 | < 0.01 | 2 | |
| 2016/08/26 | 2017/09/07 | 8 | 1 | 15 | 14 | 0.01 | 3 | |
| 2012/07/20 | 2012/09/06 | 8 | 1 | 12 | 12 | 0.03 | 4 | |
| 2012/07/27 | 2012/09/06 | 7 | 1 | 13 | 11 | 0.06 | N/A | |
| 2013/09/13 | 2017/08/24 | 0 | 7 | 0 | 7 | 0.82 | N/A | |
| Aedes vexans | 2017/08/25 | 2017/09/14 | 2 | 0 | 856 | 11 | 0.02 | 5 |
| 2014/09/05 | 2017/09/07 | 2 | 0 | 12 | 3 | 0.92 | N/A | |
| 2013/06/14 | 2017/10/05 | 0 | 1 | 0 | 1 | 0.97 | N/A | |
| 2016/06/17 | 2020/12/31 | 0 | 1 | 0 | 1 | 1.00 | N/A |