comparison of the susceptibility of the red fox (vulpes vulpes) to a vaccinia-rabies recombinant virus and to cowpox virus.sylvatic rabies can be efficiently controlled by vaccination of foxes with a vaccinia-rabies recombinant virus. however, the risk of recombination between the engineered vaccine virus and other orthopoxviruses endemic in wildlife, such as cowpox virus, still needs to be investigated. in this study, foxes inoculated orally and intradermally with cowpox virus were found to be not very susceptible to cowpox virus, which was isolated from only the oropharynx and tonsils, at low titre and for only fi ...19957625119
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