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Author: search.filters.author.Kihara, Jimmy HHas files: Yes

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    Prevalence and Intensity of Intestinal Parasites in School age Children in Thika District, Kenya
    (2012-01) Ngonjo, Teresia; Kihara, Jimmy H; Gicheru, Michael M; Wanzala, Peter; Njenga, Sammy; Mwandawiro, Charles
    The study was conducted in four public primary schools namely, Athena (peri-urban), Kathambara (rural), Kianjau (slum) and St.Patrick (urban); in Thika district, Kenya. Overall prevalence of helminthic infections was 38.9%, 48.9%, 48.9% and 31% for Peri-urban, rural, slum, and urban school respectively. Overall prevalence of protozoan infections was 46.3%, 38.9%, 34.8% and 28.7% for Peri- urban, rural, slum and urban schools respectively. The common infections were Ascaris lumbricoides, hookworm, Trichiuris trichiura and Schistosoma mansoni. Ascaris lumbricoides infection was significantly higher in slum and rural than in peri-urban and urban schools (χ²=14.425, df=3, p<0.05). Hookworm infection was significantly higher in the rural and peri-urban schools than in urban and slum schools (χ²=15.268, df=3, p<0.01). Entamoeba histolytica was significantly higher in rural and slum schools than in peri-urban and urban schools. (χ²=9.29, df=3, p<0.05). There were 10 cases of Schistosoma mansoni probably acquired from Mwea irrigation scheme since there is no active transmission in Thika District. In this study, there is clear indication that worms and protozoa infections are a problem in urban, slums, peri-urban and rural schools in Thika district. It is therefore our recommendation that schools in this area be included in mass school based deworming programmes. We further suggest that school children be considered for treatment of protozoa especially Entamoeba histolytica which can contribute significantly to diarrhea and intestinal discomfort.
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    Current Status of Soil-Transmitted Helminths among School Children in Kakamega County, Western Kenya
    (2016-01) Ngonjo, Teresia; Okoyo, Collins Omondi; Andove, Julius; Simiyu, Elses; Lelo, Agola Eric; Kabiru, Ephantus Wanjohi; Kihara, Jimmy H; Mwandawiro, Charles
    Background. School age children are at high risk of soil-transmitted helminth (STH) worldwide. In Kenya, STH infections in children remain high despite the periodic administration of anthelmintic drugs. Our study assessed the prevalence and intensity of STH in primary school-aged children in Kakamega County, western Kenya. Methodology. We carried out a cross-sectional study on a population of 731 children attending 7 primary schools in March 2014. Children aged 4–16 years were examined for STH by the quantitative Kato-Katz technique. Infection intensities were expressed as eggs per gram (epg) of faeces. Findings. Among 731 school children examined for STH, 44.05% were infected. Highest prevalence of STH was in Shitaho primary school where 107 participants were examined and 62.6% were infected with mean intensity of 11667 epg. Iyenga had the least prevalence where 101 participants were examined and 26.7% were infected with mean intensity of 11772 epg. A. lumbricoides was the most prevalent STH species with 43.5% infected, while hookworm infections were low with 1.8% infected. Conclusion. Prevalence of STHs infections in Kakamega County remains high. We recommend guidelines and other control strategies to be scaled up to break transmission cycles.
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