retrovaccination

noun
ret·​ro·​vaccination | \ ¦re‧trō+, sometimes ¦rē‧trō+ \

Definition of retrovaccination

: vaccination in which smallpox virus from human vesicles is used as seed virus in producing smallpox vaccine in cattle

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History and Etymology for retrovaccination

retro- + vaccination

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Cite this Entry

“Retrovaccination.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/retrovaccination. Accessed 8 Aug. 2020.

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