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Noun: vaccinia  vak'si-nee-u
  1. 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
    - vaccina, variola vaccine, variola vaccinia, variola vaccina
     
  2. A viral disease of cattle causing a mild skin disease affecting the udder; formerly used to inoculate humans against smallpox
    - cowpox

Derived forms: vaccinias

Type of: animal disease, infection, pox

Encyclopedia: Vaccinia