About the Authors

Qi Li

liqinew@126.com

Affiliation Institute for Viral Disease Prevention and Control, Hebei Province Centre for Disease Prevention and Control, Shijiazhuang, Hebei Province, China

WenNa Zhao

Affiliation Institute for Viral Disease Prevention and Control, Hebei Province Centre for Disease Prevention and Control, Shijiazhuang, Hebei Province, China

YaMei Wei

Affiliation Institute for Viral Disease Prevention and Control, Hebei Province Centre for Disease Prevention and Control, Shijiazhuang, Hebei Province, China

Xu Han

Affiliation Institute for Viral Disease Prevention and Control, Hebei Province Centre for Disease Prevention and Control, Shijiazhuang, Hebei Province, China

ZhanYing Han

Affiliation Institute for Viral Disease Prevention and Control, Hebei Province Centre for Disease Prevention and Control, Shijiazhuang, Hebei Province, China

YanBo Zhang

Affiliation Institute for Viral Disease Prevention and Control, Hebei Province Centre for Disease Prevention and Control, Shijiazhuang, Hebei Province, China

ShunXiang Qi

Affiliation Institute for Viral Disease Prevention and Control, Hebei Province Centre for Disease Prevention and Control, Shijiazhuang, Hebei Province, China

YongGang Xu

Affiliation Institute for Viral Disease Prevention and Control, Hebei Province Centre for Disease Prevention and Control, Shijiazhuang, Hebei Province, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: QL. Performed the experiments: WZ YW XH ZH YZ SQ YX. Analyzed the data: WZ. Contributed reagents/materials/analysis tools: QL. Wrote the paper: QL.