Parasitology research · 2017
Prevalence and associated risk factors of Giardia duodenalis infection among school-going children in Nepal.
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Tandukar Sarmila, Sherchand Jeevan B, Xue Jia, Uprety Sital, Sherchan Samendra P, Bhandari Dinesh, Malla Bikash, Ghaju Shrestha Rajani, Parajuli Laxmi, Poudel Shristi, Dhital Ashmita, Haramoto Eiji
Аннотация
This study aimed to determine the prevalence of intestinal parasites and its associated risk factors among school-going children in Kathmandu, Nepal. Between August and September 2016, a total of 333 stool samples were collected from children at five public schools. The collected samples were subjected to formol-ether concentration, followed by conventional microscopic examination for intestinal parasites. The overall prevalence of intestinal parasites was 24.3% (81/333), with Giardia spp. showing the highest prevalence of 18.9% (63/333). Samples positive for Giardia spp. by microscopy were further subjected to quantitative polymerase chain reaction (qPCR) for G. duodenalis, resulting in a positive ratio of 100%. The positive ratio of Giardia spp. was considerably high among children consuming tanker water (27.3%), jar water (21.0%), and tap water (17.5%). Our results demonstrated that G. duodenalis remains predominant in school-going children in Nepal.