Clinical cowpox cases in Norway.

In 1994, a human and a feline case of cowpox virus infection appeared in the western part of Norway. Cowpox has not been diagnosed with certainty in Norway since the beginning of this century, when it was associated with the use of cowpox virus as a vaccine against smallpox. The human infection manifested as a spontaneously emerged, severe ulceration at the medial angle of the right eye in a 37-y-old woman, and developed into a relatively severe dermatitis. The ulcer healed slowly, leaving a scar. The feline infection was represented by a febrile, dehydrated and anorectic 6-months-old non-pedigree short-hair, with crater-like ulcers all over the body. After antibiotic and fluid therapy, revision of the skin lesions and amputation of a gangrenous toe, the cat recovered. Electron microscopy of the isolates and cultivation of virus on chorioallantoic membrane of chicken embryos confirmed the suspicion of cowpox virus infection.

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