Published on in Vol 6, No 1 (2014):
1 Swedish Zoonoses Centre, National Veterinary Institute, Uppsala, Sweden.
2 French Agency for Food, Environmental and Occupational Health and Safety (Anses), Lyon Laboratory, Epidemiology Unit, Lyon, France.
3 United States Department of Agriculture, Animal and Plant Health Inspection Agency, Veterinary Services, Center for Epidemiology and Animal Health, Fort Collins, CO, United States