Peer-reviewed veterinary case report
Infectivity of equine H3N8 influenza virus in bovine cells and calves.
- Journal:
- Influenza and other respiratory viruses
- Year:
- 2010
- Authors:
- Lin, Chengbin et al.
- Affiliation:
- Department of Veterinary Science · United States
Abstract
BACKGROUND: Serological evidence for influenza A, subtype H1 and H3 virus infections of bovines, associated with respiratory disease and decreased milk production, has been reported. Equine H3N8 influenza virus circulates widely and was responsible for the introduction of H3N8 influenza into canines. OBJECTIVE: To explore the possibility that equine H3N8 influenza might also infect bovines. METHODS: To assess the incidence of seroconversion in the field, a retrospective survey of bovine serum samples was carried out. Also, primary cultures of bovine nasal turbinate cells, and live beef calves, were studied for their permissiveness to infection. RESULTS AND CONCLUSIONS: We found serological evidence of exposure of bovines in Kentucky to H3 influenza. We demonstrate that cultured bovine respiratory epithelium is permissive for the growth of equine H3N8 influenza virus in vitro, but this virus does not replicate extensively or produce disease in experimentally inoculated cattle.
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Search related cases →Original publication: https://pubmed.ncbi.nlm.nih.gov/20976994/