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Most primary infections produce no symptoms. The time between exposure to the parasite and symptom development is 1 - 2 weeks. The disease can affect the brain, lung, heart, eyes, or liver.
Symptoms in persons with otherwise healthy immune systems:
Symptoms in immunosuppressed persons:
For symptoms in babies born with the condition, see congenital toxoplasmosis.
Tests to determine infection or to find cysts related to this infection:
Liesenfeld O. Toxoplasmosis. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 370.
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