Background Availability of good water source is essential to every community in other to allay the risk of water-borne infection and diseases. In this study, the isolation of parasites and rate of parasitic contamination from different water sources were evaluated in Akure, Nigeria. A total of 816 water samples were collected from wells, streams, boreholes, and rain in the study areas. The samples were examined using calcium carbonate floatation and stained microscopic methods. Also, parameters (temperature, pH, and turbidity) of the different water sources were measured. Results Of all the water sources, stream water samples recorded the highest prevalence (45%), followed by well water (24%), rain water (21%), and borehole water having the least prevalence of 10% with significant difference. Different developmental stages of both protozoan and helminthic parasites were isolated from all the sampled water sources. Protozoa parasites isolated were Cryptosporidium parvum , Gardia spp. , and Entamoeba histolytica with prevalence of 33.2, 19.9, and 13.0% respectively. Dracunculus medinensis and Enterobius vermicularis with prevalence of 10.3% and 4.0% respectively were helminthes recovered. It was observed that the occurrence of the parasites in the water sources was affected by the water parameters (temperature, pH, and turbidity). All the water sources harbored at least one parasite except for the borehole water sources in Akure North in which no parasite was isolated. Conclusion High parasitic contamination of these water sources imply that water should be treated before consumption to reduce the risk of contracting water-borne disease. Also, government at the local level should provide borehole water system for the communities.

中文翻译：

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尼日利亚翁多州阿库雷水源的寄生虫污染

背景 良好水源的可用性对于其他社区的每个社区都至关重要，以减轻水传播感染和疾病的风险。在这项研究中，在尼日利亚阿库雷评估了不同水源中寄生虫的分离和寄生虫污染率。研究区共采集水井、溪流、钻孔、雨水等水样816个。使用碳酸钙浮选和染色显微方法检查样品。此外，还测量了不同水源的参数（温度、pH 值和浊度）。结果在所有水源中，河流水样的流行率最高（45%），其次是井水（24%）、雨水（21%）和钻孔水，其流行率最低，为10%，差异显着。从所有采样的水源中分离出原生动物和蠕虫寄生虫的不同发育阶段。分离的原生动物寄生虫是小隐孢子虫，Gardia spp。和溶组织内阿米巴的流行率分别为 33.2、19.9 和 13.0%。分别回收了 10.3% 和 4.0% 的麦地那龙线虫和蠕虫。据观察，水源中寄生虫的发生受水参数（温度、pH 值和浊度）的影响。除了 Akure North 的钻孔水源没有分离到寄生虫外，所有水源都至少存在一种寄生虫。结论 这些水源的高度寄生虫污染意味着在饮用前应对水进行处理，以降低感染水传播疾病的风险。