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Fact sheet - Health conditions directory

Toxoplasmosis is a disease caused by a parasite called Toxoplasma gondii (T.gondii). This parasite occurs commonly throughout the world and infects humans, other mammals, and birds.

Infected cats carry T. gondii for a short time in their intestinal tract and during this time, for up to 20 days, the cat sheds the parasite in their faeces. Cats are therefore a very common source of infection. T. gondii can survive in water or moist soil for over a year.

Following recovery from toxoplasmosis infection, a few parasites can remain in tiny cysts in the muscles, brain, lungs, or other organs.

Last updated: 5 June 2023

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