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Background: Sudan has the world's largest internally displaced population, estimated at four millions. There
are eight main areas of internally displaced people in Kassala (eastern Sudan). The prevalence of intestinal
parasitic diseases is more in camps of displaced peoples due to poor sanitation, standard of living and personal
habits of cleanliness.
Methods:Nine hundred faecal specimens were collected. 450 from displaced children around Kassala town
aged from 6 months to 13 years and 450 stool samples were collected from children inside Kassala town.
Microscopical examinations by two techniques were done (wet preparation and concentration technique by
simple centrifugation for parasite detection and identification.
Results: Seventeen percent were found to harbor stages of infective parasites. Four species of infective
parasites were identified from individuals in all areas (displaced areas). These were: Giardia lamblia (12.3%),
Haemophilus. nana (4.9%), Entamba. histolytica (0.4%) and Trichuris. trichiura (0.2%).
In urban Kassala the prevalence of infective parasites was 10%. These were: Giardia. lamblia (08%) and
Haemophilus. nana (02%).
Conclusion: The prevalence of intestinal parasitic infections among displaced children was high when
compared with the urban area..The stool examination by concentration technique (by simple centrifugation)
was superior to stool examination by wet preparation technique.
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