Ummm... probobly the same things that can kill people now-a-days like falling off high objects, incurable diseases, sharp objects hitting at high velocities, you know the usual.
Dysentery is an illness involving severe diarrhea that is often associated with blood in the feces. It is caused by ingestion of food containing bacteria, causing a disease in which inflammation of the intestines affect the body significantly. There are two major types: shigellosis, which is caused by one of several type of Shigella bacteria; and amoebic dysentery, which is caused by the amoeba Entamoeba histolytica.