A.專性寄生蟲(chóng) B.兼性寄生蟲(chóng) C.偶然寄生蟲(chóng) D.體外寄生蟲(chóng) E.機(jī)會(huì)致病寄生蟲(chóng)
A.絲蟲(chóng)病 B.瘧疾 C.疥瘡 D.登革熱 E.鼠疫