About the Authors

Xian Qi

Affiliations Jiangsu CDC-Nanjing University Joint Institute of Virology, State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, Jiangsu, China, Jiangsu Center for Disease Control and Pevention, Nanjing, Jiangsu, China

Xihan Li

Affiliation Jiangsu CDC-Nanjing University Joint Institute of Virology, State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, Jiangsu, China

Paul Rider

Affiliation Division of Infectious Diseases, School of Public Health, University of California, Berkeley, California, United States of America

Weixing Fan

Affiliation China Animal Health and Epidemiology Center, Qingdao, Shandong, China

Hongwei Gu

Affiliation Jiangsu CDC-Nanjing University Joint Institute of Virology, State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, Jiangsu, China

Longtao Xu

Affiliation Qilu Animal Health Products Co. Ltd, Jinan, Shandong, China

Yonghua Yang

Affiliation Jiangsu CDC-Nanjing University Joint Institute of Virology, State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, Jiangsu, China

Sangwei Lu

Affiliation Division of Infectious Diseases, School of Public Health, University of California, Berkeley, California, United States of America

Hua Wang

wh@jscdc.cn (HW); liu_fy@uclink4.berkeley.edu (FL)

Affiliations Jiangsu CDC-Nanjing University Joint Institute of Virology, State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, Jiangsu, China, Jiangsu Center for Disease Control and Pevention, Nanjing, Jiangsu, China

Fenyong Liu

wh@jscdc.cn (HW); liu_fy@uclink4.berkeley.edu (FL)

Affiliation Division of Infectious Diseases, School of Public Health, University of California, Berkeley, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: XQ XL PR WF HG LX YY SL HW FL. Performed the experiments: XQ XL PR WF HG LX YY SL HW FL. Analyzed the data: XQ XL PR WF HG LX YY SL HW FL. Contributed reagents/materials/analysis tools: XQ XL PR WF HG LX YY SL HW FL. Wrote the paper: XQ XL PR WF HG LX YY SL HW FL.