Arthropods can be found on human or animals as ecto-parasites. Vectors can contaminate stored foods and transmit illness, or introduce diseases in new areas. Pet species facilitating infestations, and different risk factors related to infestation were identified. To determine the possible role of insects in dissemination of medically important parasites, study was carried out in residential areas of Khaldyia Village, El–Fayoum governorate, Egypt In 2009 - 2010. Parasites of medical importance were isolated and identified. The cockroaches collected from residential areas were 45 as the control group. A total of 178 cockroaches were collected, over a period of one year. Flies collected from human feces were also observed. Flies were abundant in defecation areas and around houses. This study aimed to isolating parasite objects from the exteriors of the bodies of flies, and Isolation and identification of parasites from internal and external surface of cockroaches, and to investigate parasite transmission rates among flies in an unsanitary community.
Key words: Mechanical transmission, flies, cockroaches.
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