Table 6. Infection prevalence of Ixodes scapularis and Ixodes pacificus ticks collected in active surveillance, by province, Canada, 2019^a,b.

Province	Infection prevalence
	Anaplasma phagocytophilum		Babesia microti		Borrelia burgdorferi		Borrelia miyamotoi		Powassan virus
	Number positive tick/number tick tested	%	Number positive tick/number tick tested	%	Number positive tick/number tick tested	%	Number positive tick/number tick tested	%	Number positive tick/number tick tested	%
Ixodes pacificus
British Columbia	0/10	0	0/10	0	0/10	0	0/10	0	0/10	0
Ixodes scapularis
Manitoba	0/3	0	0/3	0	0/3	0	0/3	0	0/3	0
Ontario	14/406	3.5	0/397	0	126/410	30.7	1/410	0.2	0/188	0
Québec	2/141	1.4	0/141	0	28/141	19.8	1/141	0.7	0/141	0
New Brunswick	8/194	4.1	0/194	0	41/194	21.1	3/194	1.6	0/194	0
Nova Scotia	7/169	4.1	0/169	0	46/169	27.2	0/169	0	1/169	0.6
Prince Edward Island	0/2	0	0/2	0	0/2	0	0/2	0	0/2	0
Total	31/915	3.4	0/906	0	241/919	26.2	5/919	0.5	1/697	0.1

^a No I. scapularis or I. pacificus ticks were collected or tested in Alberta, Saskatchewan or Newfoundland and Labrador through active surveillance. No active surveillance was conducted in Yukon, Northwest Territories or Nunavut for I. scapularis or I. pacificus ticks

^b Infection prevalence is influenced by varying level of effort of active surveillance between provinces and seasonal variation when active surveillance took place. Infection prevalence should be interpreted with caution as not all active surveillance conducted in 2019 in Canada is included