1. Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai, China
2. Research Base of Key Laboratory of Surveillance and Early Warning on Infectious Disease in China CDC, Shanghai Pudong New Area Center for Disease Control and Prevention, Shanghai, China
3. Institute of Pathogen Biology Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
4. Key Laboratory of Surveillance and Early Warning on Infectious Disease, Chinese Centers for Disease Control and Prevention, Beijing, China
5. School of Public Health and Social Work, Faculty of Health, Queensland University of Technology, Brisbane, Australia