1. Center for Influenza Research and Early-warning (CASCIRE), Chinese Academy of Sciences, Beijing 100101, PR China
2. CAS Key Laboratory of Pathogenic Microbiology and Immunology (CASPMI), Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, PR China
3. Hubei University, Hubei 430062, PR China
4. CAS Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Chinese Academy of Sciences, Hubei 430071, PR China
5. Institute of Pathogen Biology, Taishan Medical College, Shandong 271016, PR China
6. Collaborative Innovation Center for Diagnosis and Treatment of Infectious Disease, Zhejiang University, Hanzhou 310003, PR China
7. Office of Director-General, Chinese Center for Disease Control and Prevention (China CDC), Beijing 102206, PR China