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Salmonella infection

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Fact sheet - Health conditions directory.

Salmonella infection (salmonellosis) is a type of gastroenteritis caused by Salmonella bacteria. In Australia, most Salmonella infections occur after eating contaminated food but also sometimes after contact with another person with the infection. Over 2000 cases of Salmonella infection are reported in Queensland each year. There are about 2,500 different strains of Salmonella, many of which cause infection in both animals and humans. Two strains, Salmonella Typhi and Salmonella Paratyphi, cause typhoid and paratyphoid fever respectively (see separate typhoid and paratyphoid fever fact sheet).

Public health management guidelines


Pathology laboratories

Attending medical practitioners/medical superintendents (or delegates)

To notify two or more associated cases of gastroenteritis, or where gastroenteritis is diagnosed in a food handler.

Institutions (residential care facilities, hospitals, child care centres)

Notification resources

Enhanced surveillance for public health units

Resources for health professionals

Last updated: 5 June 2023

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