^1.School of Public Health, Baotou Medical College, Inner Mongolia University of Science and Technology, Baotou, Inner Mongolia, China

^2.National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, NHC Key Laboratory of Biosafety, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China

^3.Yunnan Tropical and Subtropical Animal Viral Diseases Key Laboratory, Institute of Veterinary Medicine, Yunnan Academy of Animal Husbandry and Veterinary Sciences, Kunming, Yunnan, China

^4.Jiangcheng Hani and Yi Autonomous County Animal Disease Prevention and Control Center, Jiangcheng, Yunnan, China

^5.Yunnan Provincial Key Laboratory of Cross-Border Infectious Disease Control and New Drug Development, School of Public Health, Kunming Medical University, Kunming, Yunnan, China