Assertion: schistosomiasis's transmission | /r/HasProperty | malacology
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text: In Tanzania, numerous surveys have been conducted in the past and more recently to describe the epidemiology, transmission (malacology), clinical trials of anti-schistosomes and control efforts against schistosomiasis (both intestinal and urogenital schistosomiasis), however, this information is very limited in the public domain where they can be easily accessed by public health intervention managers and policy makers.