About the Authors

Zhenhong Sun

Contributed equally to this work with: Zhenhong Sun, Ping Fu

Affiliation Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, College of Veterinary Medicine, China Agricultural University, Beijing, P. R. China

Ping Fu

Contributed equally to this work with: Zhenhong Sun, Ping Fu

Affiliation Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, College of Veterinary Medicine, China Agricultural University, Beijing, P. R. China

Kai Wei

Affiliation Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, College of Veterinary Medicine, China Agricultural University, Beijing, P. R. China

Haiyan Zhang

Affiliation Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, College of Veterinary Medicine, China Agricultural University, Beijing, P. R. China

Yuewei Zhang

Affiliation Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, College of Veterinary Medicine, China Agricultural University, Beijing, P. R. China

Jian Xu

Affiliation Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, College of Veterinary Medicine, China Agricultural University, Beijing, P. R. China

Fei Jiang

Affiliation Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, College of Veterinary Medicine, China Agricultural University, Beijing, P. R. China

Xu Liu

Affiliation Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, College of Veterinary Medicine, China Agricultural University, Beijing, P. R. China

Wei Xu

Affiliation Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, College of Veterinary Medicine, China Agricultural University, Beijing, P. R. China

Wenxue Wu

wuwenxue@cau.edu.cn

Affiliation Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, College of Veterinary Medicine, China Agricultural University, Beijing, P. R. China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ZHS PF KW WXW. Performed the experiments: ZHS PF HYZ YWZ JX FJ XL WX. Analyzed the data: ZHS PF KW HYZ WXW. Contributed reagents/materials/analysis tools: WXW. Wrote the paper: ZHS PF KW WXW.