我敢肯定有些人认为疾病纯粹是一场由某种小生物引起的物理的、客观的现象。

I'm sure some people consider illness to be a purely physical, objective phenomenon caused by wee beasties.

youdao

在有些情况下由昆虫引发的疾病是能被检测的，CDC发现过度使用杀虫剂是最频繁的报道之一。

In other cases where the factors contributing to insecticide-related illness could be determined, the CDC found that excessive insecticide application was among the most frequently reported.

youdao

有些疾病由苍蝇传播。

Some diseases are spread by flies.

youdao