Surveillance of in wild and farmed cervid populations of Saskatchewan, Canada.

Objective: To investigate whether could be detected from farmed and wild cervid diagnostic submissions prior to its first reported occurrence in Saskatchewan.

Procedure: Polymerase chain reaction (PCR) for was used to survey 85 fresh-frozen samples and 112 formalin-fixed, paraffin-embedded samples from Saskatchewan cervids submitted for necropsy between 2000 and 2014.

Results: The PCR was positive for in 1/84 white-tailed deer, 1/41 moose, 0/37 mule deer, and 1/35 elk.

An overview of the National West Nile Virus Surveillance System in Canada: A One Health approach.

National West Nile virus (WNV) surveillance was established in partnership with the federal, provincial and territorial governments starting in 2000, with the aim to monitor the emergence and subsequent spread of WNV disease in Canada. As the disease emerged, national WNV surveillance continued to focus on early detection of WNV disease outbreaks in different parts of the country. In Canada, the WNV transmission season occurs from May to November.