<i>Entamoeba histolytica</i> (IMAGE) Clemson University Caption Entamoeba histolytica: This infectious amoeba is prevalent in developing nations with sub-standard sanitation and causes dysentery in as many as 50 million people annually. Credit Brenda Welter, Clemson University Research Associate Usage Restrictions None License Licensed 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.