Fudan University - Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), Fudan University - Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), Guangxi Center for Disease Control and Prevention, Fudan University, Zhengding County Center for Disease Control and Prevention, Fudan University - Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), Fudan University - Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), Zhengding County Center for Disease Control and Prevention, Fudan University - Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), Hebei Center for Disease Control and Prevention, Fudan University, Fudan University, Government of the United States of America - Centers for Disease Control and Prevention (CDC), Cincinnati Children's Hospital Medical Center - Division of Infectious Diseases, Guangxi Center for Disease Control and Prevention, Hebei Center for Disease Control and Prevention and Fudan University - Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS)

Fudan University, Fudan University, Zhengding County Center for Disease Control and Prevention, Hebei Center for Disease Control and Prevention, Zhengding County Center for Disease Control and Prevention, Zhengding County Center for Disease Control and Prevention, Zhengding County Center for Disease Control and Prevention, Fudan University, Fudan University, Wayne State University, Hebei Center for Disease Control and Prevention and Fudan University - Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS)

Fudan University, Zhengding County Center for Disease Control and Prevention, Fudan University, Hebei Center for Disease Control and Prevention, Zhengding County Center for Disease Control and Prevention, Zhengding County Center for Disease Control and Prevention, Zhengding County Center for Disease Control and Prevention, Fudan University, Fudan University, Wayne State University, Hebei Center for Disease Control and Prevention and Fudan University - Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS)