1. Graduate College of Veterinary Science, Federal University of Paraná (UFPR), Curitiba 80035-050, PR, Brazil
2. State Secretary of Health, Apucarana 86800-140, PR, Brazil
3. Institute of Biotechnology, São Paulo State University (UNESP), Tecomarias Avenue, Botucatu 18607-440, SP, Brazil
4. Department of Collective Health, Federal University of Paraná State, Curitiba 80060-240, PR, Brazil
5. Department of Veterinary Population Medicine, University of Minnesota, St. Paul, MN 55108, USA
6. City Secretary of Environment, Curitiba 80810-000, PR, Brazil
7. Department of Veterinary Medicine, Federal University of Paraná, Curitiba 80035-050, PR, Brazil
8. Department of Comparative Pathobiology, Purdue University, West Lafayette, IN 47907, USA