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What is salmonella?

Page last updated 07 July 2020

Salmonella is a bacterium that can cause an illness called salmonellosis, each year this common disease affects millions of people worldwide. People with salmonellosis may experience nausea, diarrhoea, vomiting, abdominal cramps between 6 to 72 hours after infection, which can last up to a week, sometimes much longer. Most people recover without treatment, but some people may have diarrhoea so severe it causes dehydration. The bacteria can sometimes spread to other parts of the body where it can cause serious complications.


Sources & Citations

  1. Centers for Disease Control and Prevention. Salmonella. Questions and answers. Available at: (accessed 17 June 2020).
  2. NSW Health. Salmonellosis Communicable Diseases Factsheet. Avaiable at: (accessed 17 June 2020).
  3. World Health Organisation. Salmonella (non-typhoidal). Available at: (accessed 17 June 2020).

MAT-AU-2000142 - Date of preparation June 2020