1. Hunan Provincial Center for Disease Control and Prevention, Changsha, China
2. Institut Pasteur of Shanghai, Chinese Academy of Sciences, Beijing, China
3. Division of Infectious Disease, Key Laboratory of Surveillance and Early Warning on Infectious Disease, Chinese Centre for Disease Control and Prevention, Beijing, China
4. School of Public Health, Fudan University, Key Laboratory of Public Health Safety, Ministry of Education, Shanghai, China
5. Anhua County Center for Disease Control and Prevention, Hunan Province, China
6. School of Public Health, Taishan Medical College, Taian, Shandong Province, China
7. Anhua People’s Hospital, Hunan Province, China
8. Anhua Hospital of Traditional Chinese Medicine, Hunan Province, China
9. Anhua Second People’s Hospital, Hunan Province, China
10. Chengdu Center for Disease Control and Prevention, Sichuan Province, China
11. Yiyang Center for Disease Control and Prevention, Hunan Province, China
12. World Health Organization Collaborating Centre for Infectious Disease Epidemiology and Control, School of Public Health, Li Ka Shing Faculty of Medicine, University of Hong Kong, Hong Kong Special Administrative Region
13. State Key Laboratory of Virology, College of Life Sciences, Wuhan University, China
14. Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, United Kingdom
15. Nuffield Department of Medicine, University of Oxford, United Kingdom
16. Qingdao Center for Disease Control and Prevention, China
17. Oxford University Clinical Research Unit, Hospital for Tropical Diseases, Ho Chi Minh City, Vietnam