Environmental Survey and the Occurrence of Some Helminthic Parasites in Abis 7 and Abis 8, Alexandria

Document Type : Original Article

Authors

1 Environmental Health Department, High Institute of Public Health, Alexandria University, Egypt

2 Tropical Health Department, High Institute of Public Health, Alexandria University, Egypt

3 Family Health Department, High Institute of Public Health, Alexandria University, Egypt

Abstract

The exposure event to parasites is related to the persons' behavior and household environment, which are further influenced by the cultural and economic circumstances of the economic community. In Egypt, human fascioliasis has been considered as an important public health problem and recently, several cases have been reported from Alexandria and Abis villages. The he present work aimed at studying the occurrence of helminthic parasites in Abis 7 and Abis 8, Alexandria and their possible association with the personal, socioeconomic, and environmental variables in the corresponding villages. This work was conducted in Abis 7 and Abis 8 villages, which are located 15 Kilometers south east of Alexandria city, in the period from December 1994 to March 1995. The study included 4423 subjects from 506 houses that were selected as a fifty percent systematic random sample. All sample members were subjected to respond to a Is were pre-designed questionnaire sheet which included age; sex; and occupation of the residents of the household, and data concerning drinking water supply; water closets; sewage disposal; animals; and irrigation. All subjects were asked to give a stool sample. Two Kato slides were prepared for every sample and examined by two observers. Drinking water supply, sanitary sewage disposal, and proper disposal of animal wastes are still deficient in some houses of houses Abis 7 and. Abis 8 villages. Schistosoma mansoni, Ascaris lumbricoides, and fasciola species were the major helminthic parasites encountered in Abis 7 and Abis 8, Alexandria. They were found to affect 24.2%, 11.9%, and 5.7% of subjects in Abis 7 and 37.8%, of subjects 6.2% 53% and 0.4% of persons in Abis 8, respectively. In Abis 7, 5.3% of subjects using canals for irrigation were positive whereas none of persons using drains were positive and it was found to were positive and be statistically significant. In Abis 8, an apparent difference was observed. Drains are usually polluted by agricultural effluents with pesticides' residues and thus affecting the snail intermediate host of Fasciola.

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