疫 ⇒
瘟疫 wēnyì, epidemic/plague/pestilence/diseased
免疫 miǎnyì, immunity (to disease)
疫苗 yìmiáo, vaccine
鼠疫 shǔyì, plague
疫情 yìqíng, epidemic situation
检疫 jiǎnyì, [檢疫], quarantine
免疫力 miǎnyìlì, immunity
疫 yì, epidemic/plague
免疫性 疫病 yìbìng, plague/a blight
疫区 yìqū, [疫區], epidemic area
防疫 fángyì, disease prevention/protection against epidemic
检疫站 卫生防疫 wèishēngfángyì, [衛生防疫], epidemic-prevention
检疫员