Volume 25, Number 2—February 2019
Dispatch
Lyme Disease Emergence after Invasion of the Blacklegged Tick, Ixodes scapularis, Ontario, Canada, 2010–2016
Manisha A. Kulkarni
, Isha Narula, Andreea M. Slatculescu, and Curtis Russell
, Isha Narula, Andreea M. Slatculescu, and Curtis Russell
Table 1
Incidence of Lyme disease and characteristics of 639 reported human Lyme disease case-patients in 3 public health units, eastern Ontario, Canada, 2010–2016*
| Characteristic | No. (%) cases | Cumulative incidence, cases/100,000 population† | Mean (SD) annual incidence, cases/100,000 population† |
|---|---|---|---|
| Public health unit | |||
| KFL | 210 (33.0) | 109.6 | 15.7 (13.3) |
| LGL | 224 (35.1) | 135.8 | 19.4 (10.4) |
| Ottawa | 205 (32.1) | 23.2 | 3.3 (2.8) |
| Total |
639 (100.0) |
51.5 |
7.4 (5.2) |
| Age group, y | |||
| 0–9 | 43 (6.7) | 32.6 | 4.7 (4.5) |
| 10–19 | 39 (6.1) | 25.7 | 3.6 (2.2) |
| 20–29 | 49 (7.7) | 29.0 | 4.1 (3.3) |
| 30–39 | 74 (11.6) | 47.2 | 6.7 (4.2) |
| 40–49 | 80 (12.5) | 42.2 | 6.0 (5.0) |
| 50–59 | 161 (25.2) | 87.9 | 12.6 (8.5) |
| 60–69 | 118 (18.5) | 89.2 | 12.7 (9.9) |
| 70–79 | 56 (8.8) | 74.7 | 10.7 (8.8) |
| >80 |
19 (3.0) |
38.1 |
5.4 (4.3) |
| Sex | |||
| F | 272 (42.6) | 42.7 | 6.1 (4.5) |
| M | 364 (57.0) | 60.4 | 8.6 (6.1) |
| Data missing | 3 (0.4) | – | – |
*KFL, Kingston, Frontenac, Lennox, and Addington; LGL, Leeds, Grenville, and Lanark.
†Population based on 2011 census.
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Page updated: January 18, 2019
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