Figure 1.

Percentage of villages that would have been classified as controlling morbidity (< 5% heavy infections [≥ 400 Schistosoma mansoni eggs per gram of feces] or having eliminated schistosomiasis as a public health problem (< 1% heavy infections) before any mass drug administration (MDA), in Schistosomiasis Consortium for Operational Research and Evaluation studies in 294 villages in high prevalence areas, in Kenya and Tanzania.