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Definitions
A virus related to cowpox and smallpox, used historically in smallpox vaccination.
Word origin
From Latin vaccinus + -ia.
Used in a sentence
“On the other hand, Professor Heim inquired minutely into all the circumstances of the case, and says he is convinced of the variolation of the cow, and of the transmission from her of a disease similar to vaccinia.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer0 curated clues
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