About the Authors

Nian Zhi Zhang

Contributed equally to this work with: Nian Zhi Zhang, Li Feng Zhang

Affiliation Department of Microbiology and Immunology, College of Veterinary Medicine, China Agricultural University, Beijing, People's Republic of China

Li Feng Zhang

Contributed equally to this work with: Nian Zhi Zhang, Li Feng Zhang

Affiliation Beijing Exit & Entry Inspection and Quarantine Bureau, Beijing, People's Republic of China

Yi Nan Jiang

Affiliation Department of Microbiology and Immunology, College of Veterinary Medicine, China Agricultural University, Beijing, People's Republic of China

Ting Zhang

Affiliation Department of Microbiology and Immunology, College of Veterinary Medicine, China Agricultural University, Beijing, People's Republic of China

Chun Xia

xiachun@cau.edu.cn

Affiliations Department of Microbiology and Immunology, College of Veterinary Medicine, China Agricultural University, Beijing, People's Republic of China, The Key Laboratory for Preventive Veterinary Medicine of Ministry of Agriculture of China, Beijing, People's Republic of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LFZ CX. Performed the experiments: NZZ LFZ YNJ TZ. Analyzed the data: NZZ CX. Wrote the paper: NZZ CX. Initiated and supervised this work: LFZ CX. Interpreted data: NZZ CX.