Affiliation: | Laboratory for Foodborne Zoonoses, Public Health Agency Canada, Guelph, Ontario N1G 5B2 (Léger, Reid-Smith); Department of Population Medicine, University of Guelph, Guelph, Ontario N1G 2W1 (Newby, Reid-Smith, Pearl, Lissemore, Kelton); Ontario Ministry of Agriculture and Food, Elora, Ontario N0B 1S0 (Anderson). |