1. Canadian Cooperative Wildlife Health Centre, Department of Veterinary Pathology, Western College of Veterinary Medicine, University of Saskatchewan, 52 Campus Drive, Saskatoon, Saskatchewan, S7N 5B4, Canada
2. Department of Microbiology, University of Mississippi Medical Center, Jackson, Mississippi 39216, USA
3. Department of Biology, University of Regina, Regina, Saskatchewan S4S 0A2, Canada