He Chang

He Chang^1,2,3, 

Zhi Chen^1,2,3, 

Li Gao^1,2,3, 

Hong Cao^1,2,3, 

Yongqiang Wang^1,2,3, 

Shijun J. Zheng^1,2,3 

¹, National Key Laboratory of Veterinary Public Health Security, 

², Animal Epidemiology of the Ministry of Agriculture, 

³College of Veterinary Medicine, China Agricultural University