Volume 20, Number 12—December 2014
Dispatch
Two Anaplasma phagocytophilum Strains in Ixodes scapularis Ticks, Canada
Chantel N. Krakowetz, Antonia Dibernardo, L. Robbin Lindsay, and Neil B. Chilton
Table 2
Black-legged ticks infected with the Ap-ha or Ap-variant 1 strain of Anaplasma phagocytophilum based on analyses using the TaqMan SNP genotyping assay,* Canada
| Province | No. ticks | Ap-ha (%) | Ap-variant 1 (%) |
|---|---|---|---|
| Prairie Provinces | |||
| Alberta† | 1 | 1 (100) | 0 (0) |
| Saskatchewan† | 2 | 2 (100) | 0 (0) |
| Manitoba |
17 |
15 (88.2) |
2 (11.8) |
| Central Canada | |||
| Ontario | 24† | 2 (8.3) | 22 (91.7) |
| Quebec |
47 |
9 (19.1) |
38 (80.9) |
| Atlantic Provinces | |||
| Prince Edward Island | 7 | 3 (42.9) | 4 (57.1) |
| New Brunswick | 10 | 6 (60.0) | 4 (40.0) |
| Nova Scotia |
17 |
8 (47.1) |
9 (52.9) |
| Total | 125 | 46 (36.8) | 79 (63.2) |
*http://www.lifetechnologies.com/search/global/searchAction.action?query=SNP&resultPage=1&resultsPerPage=15&autocomplete
†Includes 13 ticks listed in Table 1 and an additional 11 A. phagocytophilum–infected ticks collected by drag sampling at 2 sites in Ontario.
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Page updated: November 19, 2014
Page reviewed: November 19, 2014
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