Table 1.
Geographic distribution of seroprevalence to Borrelia burgdorferi, Anaplasma phagocytophilum, Ehrlichia canis, and Dirofilaria immitis among dogs in Canada
| Location | Number of practices | Number of samples | Number D. immitis positive (%) | Number E. canis positive (%) | Number B. burgdorferi positive (%) | Number A. phagocytophilum positive (%) |
|---|---|---|---|---|---|---|
| British Columbia | 5 | 418 | 1 (0.24) | 3 (0.72) | 0 (0) | 0 (0) |
| Alberta | 6 | 584 | 2 (0.34) | 3 (0.51) | 1 (0.17) | 0 (0) |
| Saskatchewan | 2 | 582 | 0 (0) | 0 (0) | 2 (0.34) | 2 (0.34) |
| Manitoba | 32 | 13 456 | 58 (0.43) | 0 (0) | 256 (1.90) | 101 (0.75) |
| Ontario | 137 | 56 943 | 109 (0.19) | 23 (0.04) | 270 (0.47) | 49 (0.09) |
| Canada Capital Region | 13 | 5109 | 7 (0.14) | 0 (0) | 37 (0.72) | 8 (0.16) |
| Thousand Islands | 11 | 1349 | 3 (0.22) | 0 (0) | 38 (2.82) | 1 (0.07) |
| Northern Ontario | 6 | 1971 | 3 (0.15) | 3 (0.15) | 18 (0.91) | 6 (0.30) |
| St. Lawrence Seaway | 5 | 1780 | 5 (0.28) | 0 (0) | 15 (0.84) | 0 (0) |
| North of Lake Erie | 15 | 9298 | 31 (0.33) | 5 (0.05) | 84 (0.90) | 9 (0.10) |
| Greater Toronto area | 4 | 1099 | 0 (0) | 0 (0) | 3 (0.27) | 2 (0.18) |
| Quebec | 45 | 13 390 | 15 (0.11) | 9 (0.07) | 76 (0.57) | 12 (0.09) |
| Estrie | 1 | 357 | 0 (0) | 0 (0) | 2 (0.56) | 0 (0) |
| Laurentians | 10 | 2722 | 3 (0.11) | 1 (0.04) | 22 (0.81) | 3 (0.11) |
| Montérégie | 8 | 1907 | 5 (0.26) | 0 (0) | 13 (0.68) | 4 (0.21) |
| Greater Montreal area | 8 | 4591 | 2 (0.04) | 5 (0.11) | 19 (0.41) | 4 (0.09) |
| New Brunswick | 2 | 151 | 0 (0) | 0 (0) | 1 (0.66) | 0 (0) |
| Nova Scotia | 8 | 697 | 1 (0.14) | 1 (0.14) | 15 (2.15) | 0 (0) |
| Prince Edward Island | 1 | 30 | 1 (3.3) | 1 (3.3) | 3 (10) | 0 (0) |
| Newfoundland | 0 | 0 | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
| CANADA | 238 | 86 251 | 187 (0.22) | 40 (0.05) | 624 (0.72) | 164 (0.19) |