Amoebiasis is prevented by

Amoebiasis or amoebic dysentery is caused by protozoan parasite Entamoeba histolytica that resides in the upper part of large intestine. It spreads through contaminated water and food containing adult form (trophozoite) or cyst of Entamoeba. Trophozoite damages intestinal wall by enzyme histolysin, reaches blood capillaries and feed on RBCs, bacteria, tissue debris, resulting in abdominal pain, acidic motions with mucus and blood. Thedisease can be prevented by drinking boiled and clean water and intake of fresh and hygienic food.