cowpoxes

cow·pox   (kou'pŏks')    n.  A mild contagious skin disease of cattle, usually affecting the udder, that is caused by a virus and characterized by the eruption of a pustular rash. When the virus is transmitted to humans, as by vaccination, it can confer immunity to smallpox. Also called vaccinia.

Main Entry: cow·pox
Pronunciation: 'kau-"päks
Function: noun
: a mild eruptive disease of the cow that is caused by a poxvirus (genusOrthopoxvirus) and when communicated to humans protects against smallpox called also variola vaccinia

cowpox cow·pox (kou'pŏks')
n.
A mild, contagious skin disease of cattle, usually affecting the udder, that is caused by a virus and characterized by the eruption of a pustular rash. When the virus is transmitted to humans, as by vaccination, it can confer immunity to smallpox. Also called vaccinia.