VariousWords beta
Related Terms:
Definitions:
Noun
cowpox
vaccinia
Definition: a viral disease of cattle causing a mild skin disease affecting the udder; formerly used to inoculate humans against smallpox
Definition: A pustular, eruptive skin disease of cattle caused by an Orthopoxvirus, with lesions occurring principally on the udder and teats. Human infection may occur from touching cows, and gives immunity to smallpox.