About the Authors

Huifang Tian

Contributed equally to this work with: Huifang Tian, Yong Zhang, Yan Shi, Xiujuan Li

fang45530@126.com

Affiliation Shijiazhuang Center for Disease Control and Prevention, Shijiazhuang City, Hebei Province, People’s Republic of China

Yong Zhang

Contributed equally to this work with: Huifang Tian, Yong Zhang, Yan Shi, Xiujuan Li

Affiliation WHO WPRO Regional Polio Reference Laboratory and Key Laboratory for Medical Virology, National Health and Family Planning Commission of China; National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People’s Republic of China

Yan Shi

Contributed equally to this work with: Huifang Tian, Yong Zhang, Yan Shi, Xiujuan Li

Affiliation Shijiazhuang Center for Disease Control and Prevention, Shijiazhuang City, Hebei Province, People’s Republic of China

Xiujuan Li

Contributed equally to this work with: Huifang Tian, Yong Zhang, Yan Shi, Xiujuan Li

Affiliation Shijiazhuang Center for Disease Control and Prevention, Shijiazhuang City, Hebei Province, People’s Republic of China

Qiang Sun

Current address: State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of sciences, Beijing, People’s Republic of China

Affiliation WHO WPRO Regional Polio Reference Laboratory and Key Laboratory for Medical Virology, National Health and Family Planning Commission of China; National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People’s Republic of China

Li Liu

Affiliation Shijiazhuang Center for Disease Control and Prevention, Shijiazhuang City, Hebei Province, People’s Republic of China

Dong Zhao

Affiliation Shijiazhuang Center for Disease Control and Prevention, Shijiazhuang City, Hebei Province, People’s Republic of China

Baohong Xu

Affiliation Shijiazhuang Center for Disease Control and Prevention, Shijiazhuang City, Hebei Province, People’s Republic of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: HFT YZ BHX. Data curation: HFT YZ. Formal analysis: HFT YZ QS. Funding acquisition: YZ. Investigation: YS XJL QS LL DZ. Methodology: HFT YZ. Project administration: HFT YZ. Resources: YZ BHX. Supervision: HFT YZ. Validation: HFT YZ. Writing – original draft: HFT YZ. Writing – review & editing: HFT YZ QS.