Intestinal Parasitic Infection in Feraydoon Kenar, Mazandaran

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.A total of 2568 persons, refered to Feraydoon Kenar Laboratory for rutine stool examination by Direct Smear, scotsch tests for children and formalin ether, and Floatation tests.A total of 321 infected persons 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 nana 0.15% , and Dientamoebafragilis 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.vermicularis at the same time.Giardia prevalence during spring and summer (18.9%) had significant difference comparing with autumn and winter (14.81% )P<0.005, but prevalences of E. vermicularis showd no seasonal 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% but"nin yuung female was 32.63% , demonstrated significant difference (P<0.005).