About the Authors

Yan Zhang

Contributed equally to this work with: Yan Zhang, Xiaojuan Tan

Affiliation National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People’s Republic of China

Xiaojuan Tan

Contributed equally to this work with: Yan Zhang, Xiaojuan Tan

Affiliation National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People’s Republic of China

Aili Cui

Affiliation National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People’s Republic of China

Naiying Mao

Affiliation National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People’s Republic of China

Songtao Xu

Affiliation National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People’s Republic of China

Zhen Zhu

Affiliation National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People’s Republic of China

Jianhui Zhou

Affiliation Jilin Provincial Center for Disease Control and Prevention, Changchun, People’s Republic of China

Jing Shi

Affiliations National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People’s Republic of China, Beijing Children Hospital, Capital University of Medical Science, Beijing, People’s Republic of China

Yueping Zhao

Affiliation Anhui Provincial Center for Disease Control and Prevention, Hefei, People’s Republic of China

Xianjun Wang

Affiliation Shandong Provincial Center for Disease Control and Prevention, Jinan, People’s Republic of China

Xueyong Huang

Affiliation Henan Provincial Center for Disease Control and Prevention, Zhengzhou, People’s Republic of China

Shuangli Zhu

Affiliation National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People’s Republic of China

Yong Zhang

Affiliation National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People’s Republic of China

Wei Tang

Affiliation Shanghai Center for Disease Control and Prevention, Shanghai, People’s Republic of China

Hua Ling

Affiliation Chongqing Center for Disease Control and Prevention, Chongqing, People’s Republic of China

Wenbo Xu

wenbo_xu1@yahoo.com.cn

Affiliation National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People’s Republic of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: Yan Zhang WBX. Performed the experiments: Yan Zhang XJT ALC NYM STX ZZ JHZ YPZ XJW XYH SLZ Yong Zhang WT HL. Analyzed the data: Yan Zhang JS. Contributed reagents/materials/analysis tools: Yan Zhang YPZ XJW XYH WBX. Wrote the paper: Yan Zhang WBX.