The Uganda Schistosomiasis Multidisciplinary Research Center (U-SMRC) has been established to build expertise and understanding of the underlying biological determinants of severe schistosomal morbidity and to develop and identify appropriate interventions for prevention and management of this important disease. OUR SPECIFIC AIMS To compare early-life Schistosoma mansoni (Sm) infection and Sm-specific immune responses between Lake Albert (LA) and Lake Victoria (LV) regions and identify co-exposures that modulate Sm-specific immune responses and morbidity risk.