Integration of schistosomiasis control activities into the primary health care system in the Gizan region, Saudi Arabia

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Abstract
A few decades ago, the prevalence of Schistosoma haematobium infection in the human inhabitants of the Gizan region of Saudi Arabia was very high (43%–91%). A vertical programme for the control of the disease, by case finding, treatment of infected individuals and by chemical snail control, was begun in 1974 and led to significant reductions in prevalence in most areas. In 1989 the control activities were gradually integrated into the primary-health-care (PHC) system. Several schools in the area recently participated in the detection of ova (among schoolchildren and neighbouring communities) and organized health-education sessions. The records taken during the vertical and PHC programmes indicate that there were more diagnoses and higher chemotherapy coverage in the latter. The PHC programme has maintained the overall prevalence of infection at an extremely low level (< 1%) and the infection has been completely eradicated in several areas. The participation of schools proved to be particularly useful in terms of population coverage and health education.

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