1 Canadian Food Inspection Agency, National Centres for Animal Disease, Township Road 9-1, Lethbridge, AB, T1J 3Z4, Canada. joel.hutcheson@canada.ca.
2 Public Health Agency of Canada, National Microbiology Laboratory, 1015 Arlington Avenue, Winnipeg, MB, R3E 3R2, Canada.
3 Agriculture and Agri-Food Canada, Lethbridge Research and Development Centre, 5403 - 1st Avenue South, P.O. Box 3000, Lethbridge, AB, T1J 4B1, Canada.