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.
目前正在对其它人间和动物病例进行监测，但由于该国缺乏资源以及流行病学和实验室能力而受到阻碍。
Surveillance for additional human and animal cases is presently under way, but is hindered by the country's lack of resources and of epidemiological and laboratory capacities.
世卫组织也在向卫生部提供技术和物资支持以加强流行病学和实验室监测，包括提供实验室确诊物资。
WHO is also providing technical and material support to the Ministry of Health to strengthen epidemiological and laboratory surveillance, including provision of laboratory confirmation supplies.
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