Salmonella typhi / paratyphi
Aerobic gram negative rod
Humans are the reservoir: fecal-oral transmission.
Increased prevalence in developing countries.
Highest prevalence South Asia.
Fever in Returning Traveler
Enteric fever or typhoid fever
Fever of unknown origin
Endovascular infection including endocarditis and infected atherosclerotic plaque/aneurysm (mycotic aneurysm)
Very high rates of ciprofloxacin resistance in Asia
Chronic carriage associated with gallbladder disease