[1] Chinese Acad Agr Sci, Lanzhou Vet Res Inst, State Key Lab Vet Etiol Biol, Natl OIE Foot & Mouth Dis Reference Lab, Lanzhou 730046, Peoples R China
[2] Mekelle Univ, Dept Basic & Diagnost Sci, Coll Vet Sci, Tigray 280, Ethiopia
[3] Natl Inst Vet Res, Dept Swine Dis, 57 Partyzantow, PL-24100 Pulawy, Poland
[4] RT Europe Res Ctr, H-9200 Mosonmagyarovar, Hungary