But what if factors other than climate, like the food available nearby or the viruses, bacteria, and parasites native to the area, also had an effect on various human populations' genetic toolkits?

但是如果除开气候这一因素，像就近的食物资源或者作为原住民的病毒，细菌和寄生虫等也能对丰富的人类基因工具箱产生影响呢？

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The ancients of China's illness must also carry various bacteria and viruses.

我国古人所患的疾病也一定都带有不同的细菌和病毒。

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Various kinds of microorganisms, including fungi, actinomycetes. yeasts and viruses were isolated in addition to bacteria.

除细菌外已分离到各种各样的微生物，包括藻类、放线菌、真菌、酵母和病毒。

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Their analysis revealed the presence of various bacteria, fungi and viruses that were lurking in the hives and the royal jelly.

ECONOMIST: A virus may help explain colony collapse disorder