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

Association of poultry vaccination with interspecies transmission and molecular evolution of H5 subtype avian influenza virus CDC. —Monica Cull, Discover Magazine, 22 Jan. 2025

Here, its role is to coordinate with all 194 member states in a wide range of public health activities, such as vaccination campaigns, water sanitation projects and support for countries dealing with health emergencies. —Joshua P. Cohen, Forbes, 21 Jan. 2025

The letter criticized Kennedy for supporting efforts to halt measles vaccinations in Samoa and for his unproven claims about Wi-Fi radiation. —Hannah Parry, Newsweek, 21 Jan. 2025

The big picture: The U.S. is the WHO's top donor, contributing about $130 million per year to help cover its global health preparedness and response, along with efforts to address HIV, tuberculosis, and childhood vaccination, per Devex. —Sareen Habeshian, Axios, 20 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