1. College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, China
2. Joint International Research Laboratory of Agriculture and Agri-Product Safety, Yangzhou 225009, China
3. Comparative Medicine Research Institute, Yangzhou University, Yangzhou 225009, China
4. Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou 225009, China
5. Swine and Poultry Infectious Diseases Research Center, Faculty of Veterinary Medicine, University of Montreal, St. Hyacinthe, QC J2S 2M2, Canada
6. Department of Veterinary Microbiology and Immunology, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, SK S7N 5E2, Canada