Asurvey of the prevalence of intestinal parasites in the city of Kerman

Document Type: Original Article

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Professor

Abstract

this study was carried out of determine the prevalence of intestinal parasites and effects of some demoghraphic factors on the central district of Kerman city.in this study ,2104 stool samples were randomly collected(1219 specimens from urban areas and 885 from the surrounding villages of Kerman city) in 1991.the samples were examined by formalin-ether concentration method.the results showed that ,47.24% of specimens were infected with intestinal parasites,of which 5.37% were intestinal helminthes including:Hymenolepis nana 3.9%,Oxyuris vermicularis1.2%,Ascaris lumbricoides 0.23%,Strogyloidos stercoralis0.04%,and 19.7% of specimens were infected with pathogenic protozoa (giardia lamblia 16.2%,entamoeba histolytica 3.7%,dientamoeba fragilis 0.28%).the reminder of specimens were infected with non-pathogenic protozoa.the prevalence of intestinal parasites in the city was 48.8% and in surrounding villages,53.3% which showed a significant difference between the two areas (p<>0.01).no significant differences were observed between different sexes for infection with helmenthic and pathogenic protozoa.among helmenthic infections only hymenolepis nana and among protozoa infections,Giardia lamblia and enatmoeba histolytica showed a significant difference in prevalence rate prevalences among age groups of under and over 20 years.the prevalence rate of oxyuris measured with scotch test procedure among the children of under 13 years was 24.1%,though there was a significant difference between the subgroups of this age limit(p<0.01)

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