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

The company said the decline came after a significant decrease in U.S. vaccination rates among older adults due to current recommendations from advisors to the Centers for Disease Control and Prevention, which narrowed the market opportunity for RSV shots. —Annika Kim Constantino, CNBC, 4 Feb. 2025

Studies have shown low vaccination rates can lead to widespread community transmission of diseases such as measles. —David Faris, Newsweek, 2 Feb. 2025

The basics Beyond vaccination, Kennedy stumbled through basic explanations of Medicare and Medicaid, which are managed by the Centers for Medicare and Medicaid Services (CMS) housed within the HHS. —Ars Technica, 31 Jan. 2025

Schaffner said the way to diminish cases of long COVID is to keep up with vaccinations, which will reduce the chance of acquiring the virus and eliminate the possibility of developing long COVID. —Megan Forrester, ABC News, 31 Jan. 2025

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