[1
]Henan Center for Disease Control and Prevention, Zhengzhou, Henan, China
[2
]National Engineering Technology Research Center for Combined Vaccines, Wuhan Institute
of Biological Products Co Ltd, Wuhan, Hubei, China
[3
]China National Biotec Group Company Limited, Beijing, China
[4
]Chinese Academy of Sciences Key Laboratory of Special Pathogens, Wuhan Institute of
Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan, Hubei,
China
[5
]Department of Epidemiology and Biostatistics, Ministry of Education Key Laboratory
of Environment and Health and State Key Laboratory of Environmental Health (Incubation),
School of Public Health, Tongji Medical College, Huazhong University of Science and
Technology, Wuhan, Hubei, China
[6
]Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou
University, Zhengzhou, Henan, China
[7
]National Medical Center for Major Public Health Events, Huazhong University of Science
and Technology, Wuhan, Hubei, China