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Persistent Infection with and Serologic Crossreactivity of Three Novel Murine Noroviruses

Authors: Hsu, Charlie C; Riley, Lela K; Wills, Heather M; Livingston, Robert S

Source: Comparative Medicine, Volume 56, Number 4, August 2006 , pp. 247-251(5)

Publisher: American Association for Laboratory Animal Science

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Abstract:

According to serologic testing, murine norovirus is the most prevalent viral pathogen in contemporary laboratory mice. Previously, murine norovirus 1 (MNV-1) was the only norovirus reported to infect research mice. In this study, 3 novel murine norovirus strains—MNV-2, MNV-3, and MNV-4—were isolated from geographically separate mouse research colonies. All 4 murine norovirus strains used as individual antigens in microsphere fluorescent immunoassays displayed serologic cross-reactivity to serum from mice inoculated with MNV-1, MNV-2, MNV-3, or MNV-4. In addition, reverse transcriptase–polymerase chain reaction analysis at 8 wk postinoculation detected virus in the feces and tissues of all mice experimentally inoculated with MNV-2, MNV-3, or MNV-4. This finding suggests that mice can have prolonged fecal shedding of and can become persistently infected with murine noroviruses.

Document Type: Research Article

Publication date: August 1, 2006

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  • Comparative Medicine (CM), an international journal of comparative and experimental medicine, is the leading English-language publication in the field and is ranked by the Science Citation Index in the upper third of all scientific journals. The mission of CM is to disseminate high-quality, peer-reviewed information that expands biomedical knowledge and promotes human and animal health through the study of laboratory animal disease, animal models of disease, and basic biologic mechanisms related to disease in people and animals.

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