Affiliation: | Department of Pathology, College of Veterinary Medicine, University of Georgia, Athens, Georgia 30602,1. Department of Infectious Diseases, Center for Disease Intervention, College of Veterinary Medicine, University of Georgia, Athens, Georgia 30602,2. Centre for Biomedical, Molecular and Chemical Sciences, University of Canberra, Canberra, ACT 2601, Australia3. |