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Last updated on April 20, 2014 at 14:04 EDT

Vaccination Reference Libraries

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Cowpox Virus
2011-01-11 14:17:29

The Cowpox virus causes a skin disease known as cowpox. It is related to the vaccinia virus and gained its name because it spread by dairymaids touching the udders of infected cows. It manifests as red blisters. It is similar to smallpox although much milder and was actually the basis of the first smallpox vaccine. A person who recovers from cowpox is immune to smallpox. In 1980 the World...