1. Guangzhou Center for Disease Control and Prevention, Guangzhou, China
2. Institute of Public Health, Guangzhou Medical University & Guangzhou Center for Disease Control and Prevention, Guangzhou, China
3. Shandong Center for Disease Control and Prevention, Jinan, China
4. Department of Arboviruses, NHC Key Laboratory of Biosafety, National Institute for Viral Disease Control and Prevention, Beijing, China
5. State Key Laboratory for Infectious Disease Control and Prevention, Beijing, China