Ah, the fascinating world of science. Amoebic Dysentery is an infection. It caused by a parasite called "Entamoeba Histolytica" which are microsacopic parasites consisting of one cell. This parasite can be found in contaminated food or drink. You can find more information here: http://www.medindia.net/patients/patientinfo/AmoebicDysentery_causes.htm