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Volume 25, Number 2—February 2019

Dispatch

Lyme Disease Emergence after Invasion of the Blacklegged Tick, Ixodes scapularis, Ontario, Canada, 2010–2016

Manisha A. KulkarniComments to Author , Isha Narula, Andreea M. Slatculescu, and Curtis Russell
Author affiliations: University of Ottawa, Ottawa, Ontario, Canada (M.A. Kulkarni, I. Narula, A.M. Slatculescu); Public Health Ontario, Toronto, Ontario (C. Russell)

Main Article

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.

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