1. College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
2. National and Regional Joint Engineering Laboratory for Medicament of Zoonosis Prevention and Control, Guangzhou 510642, China
3. Key Laboratory of Animal Vaccine Development, Ministry of Agriculture, Guangzhou 510642, China
4. Key Laboratory of Zoonosis Prevention and Control of Guangdong Province, Guangzhou 510642, China
5. College of Veterinary Medicine, Yunnan Agricultural University, Kunming 650201, China
6. Shanghai Veterinary Research Institute (SHVRI), Chinese Academy of Agricultural Sciences (CAAS), Shanghai 200241, China