immunize
verb [ T ] (UK usually immunise) uk/ˈɪm.jə.naɪz/ us/ˈɪm.jə.naɪz/
medical specialized（通常指通过注射）使免疫
to protect a person or animal against a disease by putting a substance into the body to make it produce antibodies (= proteins in the blood that fight disease)
Children are routinely immunized against polio. 儿童例行接种小儿麻痹症疫苗。
Synonym: vaccinate