The pathogenic potential of Blastocystis hominis is still controversial because many epidemiologic and experimental animal studies gave quite different conclusions.
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。
2
There is clinical and epidemiologic evidence to support this notion.
有相关的临床和流行病学的证据可以支持这一观点。
3
180 million for epidemiologic, regulatory, institutional and operational activities.