variant of the cowpox virus that became established in vaccines derived from cowpox inoculated humans

variant of the cowpox virus that became established in vaccines derived from cowpox inoculated humans
Crossword Clue
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Answer	Crossword Clue
vaccinia	variant of the cowpox virus that became established in vaccines derived from cowpox-inoculated humans

Crossword

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variant of the cowpox virus that became established in vaccines derived from cowpox inoculated humansCrossword Clue