Assessment of Parasitological Water Quality from House Kitchens and Desalination Plants Filters in Gaza Strip

IUG Journal of Natural Studies Pub Date : 2021-06-01 DOI:10.33976/iugns.29.2/2021/3

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引用次数: 1

Abstract

This study was conducted to assess parasitological water quality from house kitchens and desalination plants filters in Gaza Strip. A total of 420 samples were collected from the five Governorates of Gaza Strip; 300 samples were collected from 100 houses and 120 samples were collected from 40 desalination plants. All samples were examined using direct wet mount, acid fast stain and Polymerase Chain Reaction. The randomlly distributed questionnaire included questions regarding economic and social factors, water sources, reported symptoms and public health. Results revealed that only Cryptosporidium spp. oocysts were detected in eight of drinking water samples 1.9% (8/420). Eight samples were positive when using acid-fast stain (Cryptosporidium spp.) in Reverse osmosis (RO) house filters. Using PCR to identify Cryptosporidium spp. (C. parvum and C. hominis), only one sample (0.24%) was positive for C. parvum while there are no positive samples for C. hominis. The occurrence of Cryptosporidium oocysts in the investigated water supplies may require the water utilities and water authorities in Gaza Strip to apply additional monitoring, treatment and/or watershed controls for safe drinking water.

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加沙地带家庭厨房和海水淡化厂过滤器的寄生虫水质评估

进行这项研究是为了评估加沙地带家庭厨房和海水淡化厂过滤器的寄生水质。从加沙地带五省共收集了420个样本;从100个家庭收集了300个样本，从40个海水淡化厂收集了120个样本。所有样品均采用直接湿法、抗酸染色和聚合酶链反应进行检测。随机分发的问卷包括有关经济和社会因素、水源、报告的症状和公共卫生的问题。结果8份饮用水样品中仅检出隐孢子虫卵囊，检出率为1.9%(8/420)。反渗透(RO)室内过滤器抗酸染色隐孢子虫(Cryptosporidium spp)阳性8份。用PCR方法对隐孢子虫属(小隐孢子虫和人隐孢子虫)进行鉴定，只有1份(0.24%)隐孢子虫阳性，而人隐孢子虫无阳性。在调查的供水系统中出现隐孢子虫卵囊可能要求加沙地带的供水公司和供水当局对安全饮用水实施额外的监测、处理和/或流域控制。

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IUG Journal of Natural Studies

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