[Immune response and diagnostic aspects during Toxoplasma gondii infection].

Toxoplasmosis is a common and generally benign disease in immunocompetent persons caused by Toxoplasma gondii, which is an intestinal coccidian parasite of felines. Diagnosis of toxoplasmosis is mainly based on the results of serological tests detecting anti-T. gondii specific antibodies, but T lymphocytes and cytokines they produce play a crucial role in determining the outcome of parasitic infection in terms of both protective immunity and immunopathology.