Typhoid fever symptoms, , treatment - , How do patients get typhoid fever? how do the bacteria cause disease, and how is it diagnosed?. Typhoid fever symptoms, , treatment - , Typhoid fever is treated with antibiotics that kill the salmonella bacteria. prior to the use of antibiotics, the fatality rate was 20%. death occurred from. Typhoid fever: symptoms, salmonella typhi, Typhoid fever: symptoms, causes and salmonella typhi / foodborne illnesses and bacterial infections of the gastrointestinal tract / biology 103: microbiology.