有些寄生虫和病原体直接以寄主的组织为食，或者劫持寄主的分子机构进行繁殖。
Some feed on the host's tissue directly, or hijack its molecular machinery to reproduce.
嗜酸性粒细胞和嗜碱性粒细胞都可以在全身过敏反应和受寄生虫侵袭的组织中看到。
Both eosinophilia and basophilia may be seen in response to systemic allergic reactions and invasion of tissues by parasites.
世卫组织已制定出详细计划，阻止耐药寄生虫的残存与传播。
WHO has developed a detailed plan for stopping the survival and spread of resistant parasites.
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