immunize

 
Pronunciation: /ˈɪmjʊnʌɪz/
(also immunise)

verb

[with object]
  • make (a person or animal) immune to infection, typically by inoculation: the vaccine is used to immunize children against measles

Derivatives

immunization

Pronunciation: /-ˈzeɪʃ(ə)n/
noun

immunizer

noun