About the Authors

Xiaofeng Ren

rxfemail@yahoo.com.cn

Affiliation College of Veterinary Medicine, Northeast Agricultural University, Harbin, China

Fandan Meng

Affiliation College of Veterinary Medicine, Northeast Agricultural University, Harbin, China

Jiechao Yin

Affiliation College of Life Sciences, Northeast Agricultural University, Harbin, China

Guangxing Li

Affiliation College of Veterinary Medicine, Northeast Agricultural University, Harbin, China

Xunliang Li

Affiliation College of Veterinary Medicine, Northeast Agricultural University, Harbin, China

Chao Wang

Affiliation College of Veterinary Medicine, Northeast Agricultural University, Harbin, China

Georg Herrler

Affiliation Institut für Virologie, Tierärztliche Hochschule Hannover, Hannover, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: XR. Performed the experiments: FM GL XL. Analyzed the data: XR FM JY CW. Wrote the paper: XR GH.