The study aimed to determine the epidemiological, clinical characteristics, and etiology of adults aged ≥20 years presented with prolonged acute diarrhea (≥7 days). A total of 18,210 adults aged ≥20 years were enrolled in the Diarrheal Disease Surveillance System of icddr,b between 1993-2012 and included into the analysis. Of these, 17,631 (97%) had duration of diarrhea ≤6 days, 418 (2%) diarrh...
