National case definition: Salmonellosis


Date of last revision/review: May 2008

National notification

Only confirmed cases of disease should be notified.

Type of surveillance

Routine case-by-case notification to the federal level

Case classification

Confirmed case

Laboratory confirmation of infection with or without clinical illness:

Probable case

Clinical illness in a person who is epidemiologically linked to a confirmed case

Laboratory comments

Further strain characterization (e.g. serotyping, phage typing, PFGE typing) is indicated for epidemiologic, public health and control purposes.

Clinical evidence

Clinical illness is characterized by headache, diarrhea, abdominal pain, nausea, fever and sometimes vomiting. Asymptomatic infections may occur, and the organism may cause extra-intestinal infections.

ICD code(s)

ICD-10 code(s)

ICD-9/ICD-9CM code(s)


Includes S. Paratyphi (paratyphoid fever)

Probable case definitions are provided as guidelines to assist with case finding and public health management, and are not for national notification purposes.

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