Review Article

Salmonella enterica: Survival, Colonization, and Virulence Differences among Serovars

Table 7

Examples of characteristic features of enteric fever and nontyphoidal salmonellosis.

Enteric feverNTS

Natural hostHumansFood animals, reptiles, and insects
Common related serovarsTyphi and ParatyphiEnteritidis, Typhimurium, and Heidelberg
Incubation period 7–14 days6–12 hours
Common symptomsFever, coated tongue, bradycardia, rose spots on chest, and myalgiaNausea, vomiting, fever, chills, abdominal pain, and myalgia
TreatmentFluoroquinone (5–7 days), chloramphenicol, and amoxicillinaAntibiotic treatment not recommended for systemic disease; fluoroquinonesb
VaccinationAvailable in endemic areascNot available

Depending on local patterns of antibiotic resistance, severity of the disease, availability, and cost.
bFluroquinones are usually preferred if antibiotic treatment is appropriate.
cLicensed available vaccines. Efficacy of the vaccine is 60–80% and protection for up to 7 years.