Affiliation: | 1. Department of Clinical Veterinary Medicine, College of Animal Science and Veterinary Medicine, Jilin University, Changchun, Jilin Province 130062, People''s Republic of China;2. Guangdong Institute of Modern Agricultural Group, Guangzhou, Guangdong Province, People''s Republic of China;3. Institute of Zoonosis, Jilin University, Changchun, Jilin Province 130062, People''s Republic of China |