Surveillance for schistosomiasis haematobium in the Republic of Malawi -Mass treatment and the effective prospect

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We confirmed the prevalence of schistosomiasis haematobium after mass treatment for the residents that lived in the high-prevalence regions in Malawi. Total prevalence was 34.9%, the prevalence of male was 42.6% and that of female was 28.5%, respectively at the same regions in 2010. We conducted mass treatment of praziquantel administration for the subjects that lived in these regions. It showed that the prevalence was significantly decreased after mass treatment of praziquantel and indicated that praziquantel administration was very important countermeasure for controlling schistosomiasis haematobium. It is still very important that the main root of infection is contacting contaminated water. And then the villagers have close contact with fresh water at their daily life for bathing, washing clothes, toileting, swimming and fishing. Therefore, contacting fresh water is essential for the villagers at their daily living.