2) Amoebic Dysentery

Amoebic dysentery, if left untreated, can progress to fulminant colitis, toxic megacolon, amoeboma, colonic ulcers, and perforation of the colon. Fulminant amoebic dysentery on proves to be fatal with a 55% to 88% mortality rate.
According to estimates, 500 million cases of Entamoeba histolytica infections occur globally which result in 40 000-100 000 deaths per year. This makes Amoebic dysentery the second largest leading cause of death due to protozoan parasites after malaria.