cowpox

English

Etymology

From cow +‎ pox.

Noun

cowpox (usually uncountable, plural cowpoxes)

  1. A pustular, eruptive skin disease of cattle caused by a virus of species Orthopoxvirus cowpox, with lesions occurring principally on the udder and teats. Human infection may occur from touching cows, and gives immunity to smallpox.

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