Typhoid fever symptoms, , treatment - , Typhoid fever is contracted by the ingestion of the bacteria in contaminated food or water. patients with acute illness can contaminate the surrounding water supply. Typhoid fever symptoms, , treatment - , What are typhoid fever symptoms? what is the treatment for typhoid fever, and what is the prognosis?. Typhoid fever: symptoms, salmonella typhi, Typhoid fever: symptoms, causes and salmonella typhi / foodborne illnesses and bacterial infections of the gastrointestinal tract / biology 103: microbiology.