1 Vaccine and Infectious Disease Organization-International Vaccine Centre (VIDO-InterVac), University of Saskatchewan, Saskatoon, SK, S7N 5E3, Canada.
2 Department of Veterinary Microbiology, University of Saskatchewan, Saskatoon, SK, S7N 5B4, Canada.
3 Canadian Food Inspection Agency, National Centre for Foreign Animal Disease, 1015 Arlington Street, Winnipeg, MB, R3E 3M4, Canada.
4 Canada National Microbiology Laboratory, Public Health Agency of Canada, 1015 Arlington Street, Winnipeg, MB, R3E 3R2, Canada.