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immunize

verb [T] (UK usually immunise)
 
 
/ˈɪm.jʊ.naɪz/

Definition

to protect a person or animal against a disease by putting a substance into their body, usually using a needle: Children are routinely immunized against polio.Immunology and vaccination immunization (UK usually immunisation)
 
 
/ˌɪm.jʊ.naɪˈzeɪ.ʃən/ US  /-nəˈ-/ noun [C or U]
mass/routine immunizationImmunology and vaccination
(Definition of immunize verb from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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