Institution: | Department of Population Medicine (Murphy, Reid-Smith, Janecko, McEwen) and Department of Pathobiology (Boerlin, Prescott, Weese), Ontario Veterinary College, University of Guelph, Guelph, Ontario N1G 2W1; Laboratory for Foodborne Zoonoses, Public Health Agency of Canada, Guelph, Ontario N1G 3W4 (Reid-Smith, Janecko). |