人芽囊原虫是否具有致病性一直颇有争议，因为很多流行病学研究和实验动物研究得出了矛盾的结论。

The pathogenic potential of Blastocystis hominis is still controversial because many epidemiologic and experimental animal studies gave quite different conclusions.

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按照进化生物学的一个术语，其使得间日疟原虫预适应了一种它还没有进化到以便处理的威胁。

It has also, in the jargon of evolutionary biology, pre-adapted vivax to a threat it has not evolved to deal with.

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