|The virus or viruses responsible for the anecdotal cases in North America have never been characterized.
This paper reports a case of raccoonpox infection in a Canadian cat. Biopsy of the initial ulcerative lesion on the forepaw revealed ballooning degeneration of surface and follicular keratinoctyes.
Infected cells contained large eosinophilic type A inclusions.
Electron microscopic examination revealed virions of an orthopoxvirus, subsequently identified as raccoonpox by polymerase chain reaction and gene sequencing.
The cat made a full recovery.
Source: Yager, Julie A., Hutchison, Lisa & Barrett, John W. (2006): Raccoonpox in a Canadian cat. In: Veterinary Dermatology 17 (6), 443-448
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