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vacciola

vacˈciola Obs.
  [mod.L. (Stokes), f. vacca cow.]
  Cow-pox; vaccinia.

1801 Med. Jrnl. V. 454 The incised part bore the characteristic marks of pure Vacciola. 1804 Ibid. XII. 440 Small⁓pox inoculation after vacciola.

Oxford English Dictionary

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