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

Declining vaccination rates and herd immunity will invariably affect vulnerable populations, which will worsen health disparities and inequities that already exist for those that cannot get vaccinated or mount an appropriate response to vaccination. —Omer Awan, Forbes, 15 Dec. 2024

Among adults, 39% had received flu vaccinations, which was roughly the same amount as last year. DR. —Melissa Rudy, Fox News, 12 Dec. 2024

Diseases that are currently rare—such as polio, measles, and whooping cough—could make deadly returns if vaccination rates plunge under a skeptical administration. —Jamie Ducharme, TIME, 12 Dec. 2024

Ensure your dog is up to date on vaccinations and carry immunization records when traveling. —Gordon G. Chang, Newsweek, 11 Dec. 2024

Word History

Etymology

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

First Known Use

1891, in the meaning defined at sense 1

Phrases Containing vaccination

• anti-vaccination

Kids 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