2021. PERSISTENT COLONIC SCHISTOSOMIASIS AMONG SYMPTOMATIZING RURAL INHABITANTS IN THE EGYPTIAN NILE DELTA: Colonic schistosomiasis among rurals of the Egyptian Nile delta. Mediterranean Journal of Hematology and Infectious Diseases. 13, 1 (Apr. 2021). DOI:https://doi.org/10.4084/mjhid.2021.033.