Shen Tian 1
These authors contributed equally to this study.
State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, PR China
Institute of Public Health, Guangzhou Medical University, Guangzhou, PR China
Guangzhou Center for Disease Control and Prevention, Guangzhou, PR China
Ti Liu 2
These authors contributed equally to this study.
Shandong Center for Disease Control and Prevention, Jinan, PR China
Xin-Jing Zhao 3
These authors contributed equally to this study.
State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, PR China
Department of Epidemiology and Health Statistics, School of Public Health, Anhui Medical University, Hefei, PR China
Xiao-Lin Liu
Shandong Center for Disease Control and Prevention, Jinan, PR China
Xin-Lou Li
Department of Medical Research, Key Laboratory of Environmental Sense Organ Stress and Health of the Ministry of Ecology and Environment, PLA Strategic Support Force Medical Center, Beijing, PR China
Kai-Ge Du
Shandong Center for Disease Control and Prevention, Jinan, PR China
Li-Qun Fang ⁎ 
State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, PR China
Department of Epidemiology and Health Statistics, School of Public Health, Anhui Medical University, Hefei, PR China
Zeng-Qiang Kou ⁎ 
Shandong Center for Disease Control and Prevention, Jinan, PR China
Yue-Hong Wei ⁎ 
Institute of Public Health, Guangzhou Medical University, Guangzhou, PR China
Guangzhou Center for Disease Control and Prevention, Guangzhou, PR China
Guo-Lin Wang ⁎ 
State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, PR China