1. Department of Infection Management and Disease Control, Chinese PLA General Hospital, Beijing, People’s Republic of China
2. The State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, People’s Republic of China
3. Center for Disease Control and Prevention of the North Military region, Jinan, People’s Republic of China
4. Department of Epidemiology and Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, School of Public Health, Fourth Military Medical University, Xi’an, People’s Republic of China
5. PLA Strategic Support Force Characteristic Medical Center, Beijing, People’s Republic of China
6. Division of Infectious Disease, Key Laboratory of Surveillance and Early-warning on Infectious Disease, Chinese Centre for Disease Control and Prevention, Beijing, People’s Republic of China
7. Department of Biostatistics, College of Public Health and Health Professions, and Emerging Pathogens Institute, University of Florida, Gainesville, FL, USA
8. Beijing Key Laboratory of Vector Borne and Natural Focus Infectious Diseases, Beijing, People’s Republic of China