Salmonella Typhi is a very contagious infection in the intestines that affects the whole body. It is called by a bacteria called Salmonella Typhi that is found in the stools of an infected person. Most people in the United States get typhoid as a result of visiting another country. Typhoid is spread when a person eats food or water contaminated by human waste (stool or urine) containing Salmonella Typhi bacteria. Typhoid fever mostly preys upon people from the United States who visit other countries, because in a foreign country food and dri ....