1. Wenzhou Key Laboratory for Virology and Immunology, Institute of Virology, Wenzhou University, Wenzhou 325035, China
2. College of Food and Drugs, Luoyang Polytechnic, Luoyang 471099, China
3. Animal Diseases and Public Health Engineering Research Center of Henan Province, Luoyang 471000, China
4. Preventive Veterinary Laboratory, College of Animal Science and Technology, Inner Mongolia Minzu University, Tongliao 028000, China