آلودگی های انگلی روده ای در منطقه شهری و روستایی شهر فریدون کنار، مازندران

The aim of this study was clearing the pattern of parasitic infections in Feraydoon-Kenar, a 30,000 population town on the Caspian sea area.Atotalof2568persons,refered to Feraydoon Kenar Laboratory for rutine stool examination by Direct Smear, scotsch tests for children and formalin ether, and Floatationtests.Atotalof321infectedpersons were in divided 2 groups living in urban and rural area. Also 386 Scotch tape tests were used in school children in different age and sex groups. Prevalences of parasites were : Giardia lamblia 16.93% , Enterebius vermicularis (pinworm) 4.71% , E. histolytica 4.28% , Strengyloides 0.74%, H. nana 0.42%, Hook worms 0.19% and Taenia 0.19%. Non pathogen protozoa prevalences were : E.coli 3.5% , Blastocystis hominis 3.15%, Iodamoeba butschlii 0.66%, Endolimax nana0.15% ,andDientamoebafragilis 0.11%.The highest prevalence were (41.2%) belong to 5 to 9 years old children, and 4.1% of them had both Giardia and E.vermicularisatthesametime.Giardiaprevalence during spring and summer (18.9%) had significant difference comparing with autumn and winter (14.81% )P<0.005, but prevalences of E. vermicularis showdnoseasonal variation.In rural area Prevalences (28.39% ) and in urban area (23.8%) showed significant difference. P<0.005.In rural area "prevalences of Ehistolytica (4.32%), Strengyloides stercolaris (1.85%), and Hook worms (0.62%) had significant difference with urban area (2.51 %, 0.6%, 0%). H.nana (1.26%), E.vermicularis (8.17%) prevalence in town had significant difference with urban area (0%, 6.17%,P<0.005).In 386 scotch tape tests the prevalence of E.vermicularis in young male was 23.46% butin yuung female was 32.63% , demonstrated significant difference (P<0.005).