booster shot

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booster shot

noun booster shots

A dose of an antigen (usually a vaccine) designed to strengthen immunity after an earlier immunizing dose.
Similar: booster dose, booster injection

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MLA

"booster shot." Wiktionary, via Micwyn, micwyn.com/word/booster%20shot. Accessed 6 Nov. 2026.

APA

booster shot. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/booster%20shot

Chicago

"booster shot." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/booster%20shot.

BibTeX

@misc{booster_shot_2026,
  title = {booster shot},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/booster%20shot},
  urldate = {2026-11-06}
}