1. Key Laboratory of Etiology and Epidemiology of Emerging Infectious Diseases in Universities of Shandong, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, People’s Republic of China
2. Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, People’s Republic of China
3. Division of Microbiology Test, Shenzhen Centre for Disease Control and Prevention, Shenzhen, People’s Republic of China
4. Chinese Academy of Sciences, Research Network of Immunity and Health (RNIH), Beijing Institutes of Life Science, Beijing, People’s Republic of China
5. Chinese National Influenza Center, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People’s Republic of China
6. WHO Collaborating Center for Reference and Research on Influenza, Beijing, People’s Republic of China
7. Key Laboratory for Medical Virology, National Health Commission, Beijing, People’s Republic of China
8. Guangdong Provincial Institution of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, People’s Republic of China
9. Marie Bashir Institute for Infectious Diseases and Biosecurity, Charles Perkins Centre, School of Life and Environmental Sciences and Sydney Medical School, The University of Sydney, Sydney, Australia
10. Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, People’s Republic of China
11. Center for Influenza Research and Early-Warning (CASCIRE), Chinese Academy of Sciences, Beijing, People’s Republic of China
12. Chinese Center for Disease Control and Prevention (China CDC), Beijing, People’s Republic of China