pre.mu.ni.tion

n.（名詞）
Relative immunity to severe infection by a particular pathogen as a result of a chronic low-grade infection induced earlier by the same pathogen.
傳染免疫：由以前同一病原體所引起的慢性低度傳染而造成的特定病原體對(duì)嚴(yán)重感染的相對(duì)免疫

來(lái)源：
French prémunition
法語(yǔ) prémunition
from Latin praemônotiô praemônotiôn- [fortification beforehand]
源自 拉丁語(yǔ) praemônotiô praemônotiôn- [預(yù)先的防御]
from praemônotus [past participle of] praemônore [to fortify in advance]
源自 praemônotus [] praemônore的過(guò)去分詞 [預(yù)先防御]
prae- [pre-]
prae- [前綴，表.先于.]
mônore [to fortify] from moene, moenia [defensive walls of a town]
mônore [防御] 源自 moene, moenia [城鎮(zhèn)的防御性圍墻]

【引伸】
premune.