Prevalence rate of intestinal schistosomiasis with interaction of other factors in new halfa City-Eastern Sudan

الملخص EN

This study was conducted to determine the prevalence of intestinal schistosomiasis in New Halfa city in Eastern Sudan.

Cross-sectional study was carried out during the period March 2011 to October 2011.

A total number of 770 surveyed population (age between 4-85 years old, mean age was 23 ± 19 years) were investigated in this study.

Faecal specimens, clinical, parasitological and epidemiological data were obtained and recorded.

One hundred twelve out of 770 (14.5%) faecal specimens were positive for Schistosoma mansoni (46 (6.0 %) were males and 66 (8.6%) were females) when examined by direct wet mount and Kato-Katz technique.

The study also showed that the prevalence of schistosomiasis was high among the age group between 4-12 year.

This study compared the infection in treated and untreated groups, the prevalence of infection among the previously treated group found to be (5.2%) and the untreated group showed relatively lower prevalence.

The study also showed that out of 770 surveyed population, 88 (11.4%), 103 (13.4%), 183 (23.8%) and 1 (0.1%) were positive for Hymenolepis nana, Giardia lamblia, Entamoeba histolytica and Taenia saginata respectively.

Using direct wet mount technique, 21 (19.0%) of the positive cases of S.

mansoni showed no co- infections compared to 91 (81.0%) with coinfections included H.

nana, G.

lamblia, and E.

histolytica detected in 22 (20.0%), 26 (23.0%) and 43 (38.0%) cases respectively.

The co-infection within all studied population were (3.0%), (3.0%) and (6.0%) also respectively.

This study indicates that the area under investigation is endemic for S.

mansoni and S.

mansoni co-infection.