J. Hentschke et al., An outbreak of cowpox in beavers (Castor fiber canadensis) and bearcats (Ailurus fulgens) in Berlin zoo, TIER UMSCH, 54(6), 1999, pp. 311
This is the first report of a fatal infection of beavers and bearcats with
cowpox virus. Clinical, pathological and histological data are described. E
lectron microscopical examination of specimens from lesions revealed pox vi
rus particles. Cowpox virus was identified from the induction of haemorrhag
ic pocks on chorioallantoic membrane, the presence of cytoplasmic inclusion
A-type bodies and by PCR.