Field research (IMAGE) Emory University Caption Field research was conducted in the Mwanza region of Tanzania where schistosomiasis is endemic. Running water is often not accessible in the area and many people use surface water ponds and hand-dug open wells that dot the clay-soil landscape. Credit Civitello Lab Usage Restrictions Must include credit. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.