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  • Title: Immunological relationships between malignant catarrhal fever virus (alcelaphine herpesvirus 1) and bovine cytomegalovirus (bovine herpesvirus 3).
    Author: Rossiter PB, Gumm ID, Mirangi PK.
    Journal: Vet Microbiol; 1988 Mar; 16(3):211-8. PubMed ID: 2836993.
    Abstract:
    Strains of malignant catarrhal fever virus (alcelaphine herpesvirus 1 (AHV-1)) and bovine cytomegalovirus (bovine herpesvirus 3 (BHV-3)) were compared for serological relatedness by cross-titration in an indirect immunofluorescent (IIF) antibody assay. There was definite cross-reactivity between these 2 viruses, with heterologous sera staining intracellular and membrane antigens of infected cells. Heterologous antibody titres were approximately 50-fold lower than homologous titres and could be removed by absorption with either homologous or heterologous virus-infected cells, but not with uninfected cells. Regression analyses of IIF antibody titres to AHV-1 and BHV-3 virus in 3 groups of wild ungulate sera also indicated a serological relationship between these herpesviruses. In a cross-immunity trial, 2 of 3 cattle immunized with a BHV-3 virus and 2 of 3 cattle immunized with avirulent AHV-1 resisted challenge with virulent AHV-1-infected blood which killed 3 unimmunized controls. These results are discussed particularly with respect to the involvement of BHV-3 in malignant catarrhal fever.
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