Cholera is a disease that can be acquired by drinking water or eating food that is contaminated with the Cholera bacteria. Cholera usually spreads when eating raw or undercooked shellfish. The cholera bacterium can be found in marine water attaching itself to chitin-containing sea creatures. The cholera bacteria infects the intestines and the spreads to the rest of the body after it is ingested. The infection can be mild or with no symptoms, but 5-10% of people infected will have severe cholera