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Salmonellosis (Salmonella spp.)
2012 Case Definition

CSTE Position Statement(s)

  • 11-ID-08

Clinical Description

An illness of variable severity commonly manifested by diarrhea, abdominal pain, nausea, and sometimes vomiting. Asymptomatic infections may occur, and the organism may cause extraintestinal infections.

Laboratory Criteria for Diagnosis

Suspect: Detection of Salmonella from a clinical specimen using a non-culture based method

Confirmed: Isolation of Salmonella from a clinical specimen

Case Classification


A case that meets the suspect laboratory criteria for diagnosis


A clinically compatible case that is epidemiologically linked to a confirmed case, i.e., a contact of a confirmed case or member of a risk group as defined by public health authorities during an outbreak.


A case that meets the confirmed laboratory criteria for diagnosis. When available, O and H antigen serotype characterization should be reported.


Both asymptomatic infections and infections at sites other than the gastrointestinal tract, if laboratory confirmed, are considered confirmed cases that should be reported.