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  • Title: Alteration of viral respiratory infections of mice by prior infection with mouse hepatitis virus.
    Author: Carrano VA, Barthold SW, Beck DS, Smith AL.
    Journal: Lab Anim Sci; 1984 Dec; 34(6):573-6. PubMed ID: 6097762.
    Abstract:
    Pre-infection with mouse hepatitis virus (MHV) strains S, 3, or JHM reduced the ability of mice to seroconvert to PVM. Geometric mean antibody titers to PVM among MHV pre-infected mice were lower than those for control mice given only PVM, and dually infected mice seroconverted to PVM later than mice given PVM alone. PVM was not recovered from normally permissive respiratory tract tissues of MHV-S pre-infected mice. Pre-infection of DBA/2 mice with MHV-S compromised the susceptibility of these mice to lethal Sendai virus infection but did not substantially reduce the titers of infectious Sendai virus recovered from the lungs. Serologic responses to Sendai virus and lung Sendai virus titers were similar in Sendai virus-resistant C57BL/6 mice pre-infected or not with MHV-S.
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