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 1
Anaplasma phagocytophilum-PCR–positive blacklegged ticks collected from various provinces during 2007–2010, Canada
| Location | 2007 |
2008 |
2009 |
2010 |
2007–2010 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No. ticks | No. + | No. ticks | No. + | No. ticks | No. + | No. ticks | No. + | No. ticks | No. + (%) | |||||
| Prairie Provinces | ||||||||||||||
| Alberta* | 9 | 0 | 25 | 0 | 13 | 0 | 42 | 3 | 89 | 3 (3.4) | ||||
| Saskatchewan* | 5 | 2 | 3 | 1 | 1 | 1 | 1 | 0 | 10 | 4 (40.0) | ||||
| Manitoba |
35 |
2 |
156 |
4 |
119 |
6 |
260 |
20 |
570 |
32 (5.6) |
||||
| Central Canada | ||||||||||||||
| Ontario | 1,187 | 4 | 1,402 | 3 | 856 | 3 | 962 | 3 | 4,407 | 13 (0.3) | ||||
| Quebec |
982 |
13 |
1,687 |
26 |
1,026 |
8 |
1,002 |
24 |
4,697 |
71 (1.5) |
||||
| Atlantic Provinces | ||||||||||||||
| New Brunswick | 129 | 1 | 174 | 0 | 189 | 4 | 271 | 10 | 763 | 15 (2.0) | ||||
| Nova Scotia | 201 | 2 | 394 | 4 | 378 | 4 | 676 | 9 | 1,649 | 19 (1.2) | ||||
| Prince Edward Island | 54 | 3 | 76 | 1 | 107 | 3 | 122 | 3 | 359 | 10 (2.8) | ||||
| Newfoundland* |
11 |
0 |
9 |
0 |
15 |
1 |
27 |
1 |
62 |
2 (3.2) |
||||
| Total | 2,613 | 27 | 3,926 | 39 | 2,704 | 30 | 3,363 | 73 | 12,606 | 169 (1.3) | ||||
*Data from these provinces were not included in the statistical analyses because sample sizes (2007–2010) were <100 ticks.
Page created: November 19, 2014
Page updated: November 19, 2014
Page reviewed: November 19, 2014
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.