1. State Key Laboratory of Pathogen and Biosecurity, Beijing 100071, PR China
2. Department of Virology, Beijing Institute of Microbiology and Epidemiology, Beijing 100071, PR China
3. School of Medicine Jinan University, Guangzhou, 510632, PR China
4. State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin 150001, PR China
5. National Institutes for Food and Drug Control, Beijing 100050, PR China
6. State Key Laboratory of Virology, Wuhan University, Wuhan 430072, PR China