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Characterization of porcine and some ruminant pestiviruses by cross-neutralization
G Wensvoort1, C Terpstra, E P de Kluyver
1Department of Virology, Central Veterinary Institute, Lelystad, The Netherlands.
Abstract:
Serologic relationships between 11 pestivirus strains that originated from pigs and five that originated from cattle or sheep were studied by cross-neutralization. Experiments were performed with pig and sheep sera raised against the strains. The results were analysed by a computerized taxonomic procedure. The 16 viruses were classified into four distinct serologic groups. All hog cholera virus (HCV) strains were classified in one group; the other three groups consisted of strains that can infect pigs, but that are identified as bovine viral diarrhoea virus (BVDV) or border disease virus (BDV), or showed a closer relationship to BVDV and BDV than to HCV.