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  • Title: Comparison of enzyme-linked immunosorbent and virus neutralization assays for the serology of reovirus infections in laboratory animals.
    Author: Spijkers H, Broeders H, Groen J, Osterhaus A.
    Journal: Lab Anim Sci; 1990 Mar; 40(2):150-4. PubMed ID: 2157093.
    Abstract:
    An enzyme-linked immunosorbent assay (ELISA) for the detection and quantification of reovirus-specific IgM and IgG serum antibodies in rodents, detecting reovirus group reactive antibodies, was compared with reovirus types 1, 2 or 3 specific virus neutralization (VN) assays. To this end, serum samples were collected from specific pathogen-free (SPF) BALB/c RIVM mice, after experimental infection with any of the three mammalian reovirus serotypes. The majority (seven out of twelve) of the reovirus type 1-infected and one third (two out of six) of the reovirus type 3-infected mice died within 15 days after infection, whereas all (six out of six) of the reovirus type 2-infected animals survived. Using reovirus type 2 antigen in the ELISA, reovirus-specific IgM antibodies could be demonstrated within 1 week after infection in all the mice infected with reovirus types 2 or 3 and in the majority of the mice infected with type 1. Similarly, reovirus-specific IgG could be detected within 3 weeks in all the surviving mice infected with reovirus types 2 or 3 and within 5 weeks in all surviving mice infected with reovirus type 1. These results coincided well with the data obtained in the VN assays, in which all the infected animals also could be detected within 1 week after infection. As expected, titers were detected most rapidly and to the highest levels in the homologous VN assays. Given the sensitivity and the specificity of the ELISA system demonstrated in this paper and its suitability for incorporation in automated systems, the ELISA system should be considered valuable for the routine serologic diagnosis of reovirus infections in rodents.
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