Schistosoma mansoni infection and its association with hepatitis B virus in Keryab Village

The study was conducted in Keryab village to investigate the association, if any, between S.mansoni infection and hepatitis B surface antigen. The study revealed that the overall infection rate was 15% (45 out of 300 stool samples examined). The prevalence in females was higher than that of males (17.8% and 13.4respectively). The highest infection rate (17.5%) was reported among the 11-15 years age group while the infection was less (14%) among the 16-20 years age group, and lowest infection (11.1%) was reported among the 5-10 years age group. On the other hand, 20 blood samples out of 300 were positive for hepatitis B surface antigen which constitutes 6.7% prevalence rate. The highest rate of hepatitis B surface antigen (10%) was reported among the 16-20 years age group while the infection was less (6.25%) among the 11-15 years age group. Out of 45 positive S. mansoni cases, 11 were found positive with hepatitis B surface antigen which constitutes 24.44% of the positive cases. On the other hand, 9 positive hepatitis B surface antigens were found among the negative S. mansoni cases which constitute 3.52% of the negative cases.