机会致病(opportunistic pathogenesis)

消除性免疫(sterilizing immunity)

带虫免疫(premunition)

人兽共患寄生虫病(parasitic zoonosis)

机会致病(opportunistic pathogenesis)

转续宿主(paratenic host)

寄生虫的感染阶段(infective stage)

寄生虫生活史(life cycle)

中间宿主(intermediate host)

保虫宿主(reservoir host)

终宿主(finial host/definitive host)