1. Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Kunming 650118, PR China
2. Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Institute of Military Veterinary, Academy of Military Medical Sciences, No. 666, Liuying Xilu, Jingyue Economic Development Zone, Changchun 130122, PR China
3. State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin 150001, PR China
4. College of Animal Science and Technology, Jilin Agricultural University, Changchun 130118, PR China
5. General Station for surveillance of wildlife Diseases & Wildlife Borne Disease, State Forestry Administration, Shenyang 110086, PR China