Objective:To determine the prevalence of intestinal parasitic infections and soil-transmitted helminths (STHs) among primary schoolchildren in El dhayga, Central Sudan.Methods: In this cross-sectional study, three fresh faecal samples were collected from each child, which were examined by direct wet mount, brine flotation, formalin–ether and Kato–Katz techniques. The intensity of each STH infection was expressed as the mean of eggs per gram counts of the three samples.Results: In total, 142 (90.4%) of 157 children harboured at least one type of intestinal parasite.Ascaris lumbricoides,Hymenolepis nana,Entamoeba histolytica andGiardia lamblia were the most common parasites found, with prevalence rates of 32.5%, 30.6%, 33.1% and 19.7%, respectively. Out of these 157 children, 29(18.5%) harboured more than two intestinal parasitic infections. No cases ofSchistosoma mansoni orEnterobius vermicularis were identified. Conclusions: The study demonstrates significant burden of intestinal protozoa and STH infections in this part of Sudan and highlights the need for preventive and intervention measures.
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