Volume 25, Number 2—February 2019
Dispatch
Lyme Disease Emergence after Invasion of the Blacklegged Tick, Ixodes scapularis, Ontario, Canada, 2010–2016
Table 2
Incidence of Lyme disease and number of Ixodes scapularis ticks submitted through passive tick surveillance, by year, 3 public health units, eastern Ontario, Canada, 2010–2016*
Characteristic and public health unit | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 |
---|---|---|---|---|---|---|---|
Incidence rate, cases/100,000 population† | |||||||
KFL | 2.1 | 8.4 | 4.2 | 8.4 | 20.4 | 36.0 | 30.3 |
LGL | 5.5 | 9.1 | 16.4 | 24.2 | 21.2 | 37.0 | 22.4 |
Ottawa | 0.2 | 0.7 | 1.8 | 4.1 | 2.4 | 7.6 | 6.5 |
Total |
1.2 |
3.0 |
4.1 |
7.4 |
7.7 |
15.9 |
12.3 |
No. Ixodes scapularis tick submissions | |||||||
KFL | 209 | 620 | 677 | 864 | 115 | 51 | 23 |
LGL | 359 | 865 | 870 | 969 | 468 | 69 | 17 |
Ottawa | 38 | 106 | 134 | 239 | 258 | 216 | 336 |
Total | 606 | 1,591 | 1,681 | 2,072 | 841 | 336 | 386 |
*KFL, Kingston, Frontenac, Lennox, and Addington; LGL, Leeds, Grenville, and Lanark.
†Population based on 2011 census.