IPA: /ˌvæk.sɪˈneɪ.ʃən/
KK: /væk səˈneɪ ʃən/
The process of giving a vaccine to a person or animal to protect them from a disease.
The vaccination helped prevent the spread of the virus in the community.
Vaccination → It is formed from "vaccinus" (from Latin, meaning of a cow) and "-ation" (a suffix used to form nouns indicating an action or resulting state). The term originally referred to the practice of using cowpox to immunize against smallpox, hence the connection to cows.
Think of the Latin word for cow, 'vaccinus', which helps you remember that vaccination originally involved using cowpox to protect against disease.