Prevalence of Intestinal Helminths Among Pupils of a Number of Primary Schoolchildren in Mosul City.

The results of examining 1617 fecal samples from pupils of 24 primary schoolchildren at the right side of Mosul city by direct and floatation methods in concentrated brine solution and zinc sulphate solution, on which the results of this study are depended, revealed the presence of the following intestinal helminths:Hymenolepis nana 8.47%, Enterobius vermicularis 3.40%, H. diminuta and Ascaris lumbricoides 0.49%.The total percentage infection was 14.10, while the percentage of single, double, triple and more than triple infections were 7.48, 4.27, 1.92 and 0.43 respectively. Indicating their occurrence together and may be with other intestinal parasites in the pupils of this city. Statistical analysis, using Chi-square (P=0.05), shows significant differences between the direct method and both floatation methods.