Summary
After intranasal inoculation of suckling rats mouse hepatitis virus multiplied mostly in the nasal epithelium; though there were no symptoms, antibodies were produced. Antibodies were also demonstrated in adult rats. These findings suggest that the rat may be a natural host for the virus.
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Taguchi, F., Yamada, A. & Fujiwara, K. Asymptomatic infection of mouse hepatitis virus in the rat. Archives of Virology 59, 275–279 (1979). https://doi.org/10.1007/BF01317424
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DOI: https://doi.org/10.1007/BF01317424