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Define the word vaccina

"Vaccina" gcide "The Collaborative International Dictionary of English v.0.48"

Vaccina \Vac*ci"na\, n. [NL.] (Med.)
   Vaccinia.
   [1913 Webster]

"vaccina" wn "WordNet (r) 2.0"

vaccina
     n : a local infection induced in humans by innoculation with the
         virus causing cowpox in order to confer resistance to
         smallpox; normally lasts three weeks and leaves a pitted
         scar [syn: vaccinia, variola vaccine, variola vaccinia, variola vaccina]