这次向疟蚊身上感染的也不是常见的寄生虫。
当这些寄生虫繁殖并感染新的个体的时候，耐药性就扩散了。
When these multiply and go on to infect new individuals, drug resistance spreads.
他们的第一批地图着手于非洲，因为那里是寄生虫感染最多的地方。
Their first map focuses on Africa, where worm infestations are worst.
小心周围的动物-因为它们可以是一个来源，寄生虫感染。
Be careful around animals - as they can be a source of parasitic infection.
很多人由于他们居住的地区以为感染寄生虫的机率很低。
Many believe that their risk of parasite infection is low because of where they live.
目的了解和分析南汇地区人体寄生虫感染的现状。
Objective To study the situation of human infection of parasites in Naihui District.
病人此寄生虫感染往往为无法忍受的瘙痒。
Patient with this parasite infection often has unbearable itching.
目的了解住院病人肠道寄生虫感染状况。
Objective To investigate the infection status of intestinal parasite of in-patients.
前言：目的：综述我国常见食源性寄生虫病的感染、致病及防治的现状。
Objective: Review common food parasitosis infection, prevention and cure present situation in Chi-na.
前言：目的：综述我国常见食源性寄生虫病的感染、致病及防治的现状。
Objective: Review common food parasitosis infection, prevention and cure present situation in Chi-na.
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