variola vaccina

1 definition found

variola vaccina - WordNet (r) 2.1 (2005) :

  variola vaccina
      n 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 [syn: vaccinia, vaccina, variola vaccine,
           variola vaccinia, variola vaccina]