vaccinia

Definitions of vaccinia
  1. noun
    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
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    types:
    progressive vaccinia, vaccinia gangrenosa
    a severe or even fatal form of vaccinia that occurs mainly in persons with an immunological deficiency; characterized by progressive enlargement of the initial lesion
    type of:
    infection
    the pathological state resulting from the invasion of the body by pathogenic microorganisms
  2. noun
    a viral disease of cattle causing a mild skin disease affecting the udder; formerly used to inoculate humans against smallpox
    synonyms: cowpox
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    type of:
    pox
    a contagious disease characterized by purulent skin eruptions that may leave pock marks
    animal disease
    a disease that typically does not affect human beings
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