vac·​ci·​na·​tion | \ˌvak-sə-ˈnā-shən \

Definition of vaccination 

1 : the act of vaccinating

2 : the scar left by vaccinating

Examples of vaccination in a Sentence

Recent Examples on the Web

Also, routine services that can detect or prevent illness — such as vaccinations and certain cancer screenings — are free in many health insurance plans, regardless of the deductible. Liz Weston, The Seattle Times, "Liz Weston: How to save money on health care," 22 Oct. 2018 Industry officials and the European Commission said the agreement could be expanded to include vaccinations and veterinary medicines, two areas highlighted by EU officials as ripe for potential deals. Emre Peker, WSJ, "U.S., EU Trade Teams Seek Fast Results and Big Savings," 21 Oct. 2018 Hepatitis A infection can be prevented through vaccination and one dose of vaccine can provide substantial protection. Alexandria Hein, Fox News, "Hepatitis A outbreak in Massachusetts kills 1, sickens 64 others," 25 Sep. 2018 Health officials have started a vaccination campaign but they have been hindered by sporadic attacks by rebel militias operating in the eastern Congo region. Fox News, "Deadly Ebola outbreak in eastern Congo reaches city of 1.4 million," 7 Sep. 2018 Such counterintuitive approaches are already validated by exercise and vaccination. WSJ, "Is There a Limit to the Human Lifespan?," 24 June 2018 These were also the voters who had been most supportive of Prohibition, the single tax, and a ban on vaccinations. Longreads, "Oregon’s Racist Past," 12 July 2018 Even before thinking about shopping for that new school backpack for next year, parents need to make sure their children are up to date on vaccinations. Arlinda Smith Broady, ajc, "Four questions about back-to-school vaccinations," 10 July 2018 The vaccination efforts will also include health workers. Dina Fine Maron, Scientific American, "Everything You Need to Know about the Ebola Vaccine," 17 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'vaccination.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of vaccination

1891, in the meaning defined at sense 1

History and Etymology for vaccination

earlier, "inoculation with fluid from cowpox pustules," from vaccine "of cowpox" (in the phrases vaccine matter, vaccine virus) + -ation — more at vaccine

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Statistics for vaccination

Last Updated

10 Dec 2018

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Time Traveler for vaccination

The first known use of vaccination was in 1891

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More Definitions for vaccination


vac·​ci·​na·​tion | \ˌvak-sə-ˈnā-shən \

Kids Definition of vaccination

: the act of vaccinating


vac·​ci·​na·​tion | \ˌvak-sə-ˈnā-shən \

Medical Definition of vaccination 

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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More from Merriam-Webster on vaccination

Rhyming Dictionary: Words that rhyme with vaccination

Spanish Central: Translation of vaccination

Nglish: Translation of vaccination for Spanish Speakers

Britannica English: Translation of vaccination for Arabic Speakers

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