How to say vaccinia ?

Vaccinia

[væk'sɪniə]

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What is the definition of vaccinia ?

  1. a viral disease of cattle causing a mild skin disease affecting the udder; formerly used to inoculate humans against smallpox
  2. 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
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