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Is typhoid contagious?

Page last updated 22 May 2020

Yes. Because typhoid is usually transmitted by eating or drinking contaminated food or beverages, it is more common in less-developed countries that have lower levels of sanitation, poor food handling standards, less access to hand hygiene , and untreated drinking water. In countries where sewage is not appropriately disposed of, typhoid is most commonly transmitted through the water supply. In countries with better sanitation, contaminated food is more commonly the source of typhoid infection.

Foods such as raw fruits, raw vegetables and shellfish are most closely associated with contracting typhoid. Flies may also play a role in transferring the typhoid bacteria from sewage to food.  


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Sources & Citations

3. Australian Government, Department of Health. The Australian Immunisation Handbook. Typhoid fever. Available at: (accessed 6 May 2020).

7. NSW Government. Typhoid and Paratyphoid fevers (enteric fever) Fact Sheet. Available at: (accessed 7 May 2020).

SPANZ.SAPAS.18.04.0143(1)a - Date of preparation May 2020