Meaning of the word immunisation in English

What does immunisation mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

immunisation

US /ˌɪm.jə.nɪˈzeɪ.ʃən/
UK /ˌɪm.jə.naɪˈzeɪ.ʃən/

Noun

the process of making someone immune to infection, typically by vaccination

Example:
Childhood immunisation programs have significantly reduced the incidence of many diseases.
The doctor recommended annual flu immunisation.