粮农组织认为，该国在疾病监测和应急措施方面存在着严重不足，而这两点恰恰是防治动物流行病和外来病的关键因素。

The country is facing a serious deficit in disease surveillance and emergency preparedness, both crucial elements in fighting endemic and exotic animal diseases, FAO said.

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在自身免疫系统疾病中，如关节炎或克隆恩氏病，T细胞误把自身细胞碎片当作外来入侵者，导致自己攻击自己。

In autoimmune diseases, like arthritis or Crohns disease, t cells mistake fragments of the body's own cells for foreign invaders, leading to the body launching an attack upon itself.

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对于大多数外来务工人员来说，艾滋病似乎与他们毫不相干，但这种状况即将改变。

For most migrant workers, AIDS may seem remote and alien. But this situation will soon be a thing of the past.

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