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  • Title: Single and combined infections of specific-pathogen-free chickens with infectious bursal disease virus and an intestinal isolate of reovirus.
    Author: Moradian A, Thorsen J, Julian RJ.
    Journal: Avian Dis; 1990; 34(1):63-72. PubMed ID: 2157397.
    Abstract:
    The susceptibility of 1-day-old and 7-day-old specific-pathogen-free chickens to infection with a virulent strain of infectious bursal disease virus (IBDV) or an intestinal isolate of avian reovirus, or a combination of the two, was investigated. Chickens infected with IBDV and reovirus had more severe pathological lesions than chickens infected with either virus alone, and prior infection with IBDV enhanced the pathogenicity of enteric reovirus. Virus recovery was attempted from bursa, spleen, thymus, liver, intestine, pancreas, cecal tonsils, heart, and tarso-metatarsal tendons. Viruses were recovered from all tissues sampled for either IBDV or reovirus isolation, and indications were that infection with IBDV before infection with reovirus led to longer persistence of reovirus in some tissues. Antibodies to IBDV or reovirus were measured by the virus neutralization test and enzyme-linked immunosorbent assay. Chickens infected with IBDV had lower (P less than 0.05) antibody responses to reovirus than chickens infected with reovirus alone.
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