MSD Manual

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Cowpox ulcer on teat, cow
Cowpox ulcer on teat, cow

    Cowpox ulcer on a teat 7–10 days after onset of lesions. Photographed in England in 1968 during an outbreak of cowpox only a few miles from where Edward Jenner conducted his studies on cowpox and smallpox in the 1790s. This outbreak in 1968 is possibly the last recorded in dairy cattle in Europe.

Courtesy of Dr. Paul Gibbs.

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Cowpox in Cattle