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. 2011 May;52(5):527–530.

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)