[1] Qinghai Univ, Coll Agr & Anim Husb, Qinghai Prov Key Lab Pathogen Diag Anim Dis & Gree, State Key Lab Plateau Ecol & Agr, Xining, Peoples R China
[2] First Hosp Jilin Univ, Ctr Infect Dis & Pathogen Biol, Dept Infect Dis,Minist Educ, Key Lab Organ Regenerat & Transplantat, Changchun, Peoples R China
[3] Univ Pretoria, Fac Vet Sci, Dept Vet Trop Dis, Onderstepoort, South Africa
[4] Chinese Acad Agr Sci, Shanghai Vet Res Inst, Shanghai, Peoples R China
[5] Hubei Univ Arts & Sci, Sch Basic Med, Xiangyang, Peoples R China