A local infection induced in humans by inoculation with the virus causing cowpox in order to confer resistance to smallpox; normally lasts three weeks and leaves a pitted scar.

synonyms: vaccina, variola vaccina, variola vaccine, variola vaccinia.

Dutch: Vaccina
Polish: ospa krów

A viral disease of cattle causing a mild skin disease affecting the udder; formerly used to inoculate humans against smallpox.

synonym: cowpox.

Dutch: koepokken
Polish: krowianka