1. Center for Disease Control and Prevention of Sichuan Province, Chengdu, Sichuan Province, People’s Republic of China
2. Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu Province, People’s Republic of China
3. Institute of Comparative Medicine, Yangzhou University, Yangzhou, Jiangsu Province, People’s Republic of China
4. Suining Center for Disease Control and Prevention, Suining, Sichuan Province, People’s Republic of China
5. Guangyuan Center for Disease Control and Prevention, Guangyuan, Sichuan Province, People’s Republic of China