vaccination
noun
vac·ci·na·tion
ˌvak-sə-ˈnā-shən 
1
: the act of vaccinating
2
: the scar left by vaccinating
Examples of vaccination in a Sentence
Recent Examples on the Web
Robust evidence from clinical trials and real-world data shows that COVID-19 mRNA vaccines are safe and effective, despite Kennedy's claims, and that serious health events after COVID-19 vaccination are rare, as CDC states on its website.
—
Cheyenne Haslett, ABC News, 15 Aug. 2025
Pet owners should keep their dogs' vaccinations up to date, keep them on a leash and avoid contact with wildlife, according to the department.
—Mary Jo Pitzl, AZCentral.com, 14 Aug. 2025
No matter who is in charge when the U.S. meets its next crisis, those leaders may be forced into a corner carved out by Trump and Kennedy—one from which the country must fight disease without adequate vaccination, research, or public-health expertise.
—Katherine J. Wu, The Atlantic, 13 Aug. 2025
Documents recovered in a search of the home where White lived with his parents expressed the shooter’s discontent with COVID-19 vaccinations, according to Hosey.
—Muri Assunção, New York Daily News, 12 Aug. 2025
See All Example Sentences for vaccination
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Cheyenne Haslett, ABC News, 15 Aug. 2025
Pet owners should keep their dogs' vaccinations up to date, keep them on a leash and avoid contact with wildlife, according to the department.
—Mary Jo Pitzl, AZCentral.com, 14 Aug. 2025
No matter who is in charge when the U.S. meets its next crisis, those leaders may be forced into a corner carved out by Trump and Kennedy—one from which the country must fight disease without adequate vaccination, research, or public-health expertise.
—Katherine J. Wu, The Atlantic, 13 Aug. 2025
Documents recovered in a search of the home where White lived with his parents expressed the shooter’s discontent with COVID-19 vaccinations, according to Hosey.
—Muri Assunção, New York Daily News, 12 Aug. 2025
See All Example Sentences for vaccination
Cite this Entry
“Vaccination.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vaccination. Accessed 22 Aug. 2025.
Copy CitationKids Definition
vaccination
noun
vac·ci·na·tion
ˌvak-sə-ˈnā-shən
1
: the act of vaccinating
2
: the scar left by vaccinating
Medical Definition
vaccination
noun
vac·ci·na·tion
ˌvak-sə-ˈnā-shən
1
: the introduction into humans or domestic animals of microorganisms that have previously been treated to make them harmless for the purpose of inducing the development of immunity
oral vaccination
vaccination against smallpox
vaccination for whooping cough
2
: the scar left by vaccinating
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