[Enzyme-linked-immunosorbent assay (ELISA) for demonstrating antibodies against toxoplasmosis].

Serologic tests for specific antibodies are the primary method of diagnosis in suspected cases of toxoplasmosis. Available tests differ widely with regard to specificity and sensitivity. The enzyme-linked immunosorbent assay (ELISA) is specific for toxoplasmosis and has a sensitivity comparable to radio-immuno assays. The reproducibility of the CORDIA-T assay, tested by the authors in their laboratory, was excellent; the test itself was very easy to perform. When testing sera of 590 apparently normal subjects the authors found specific antibodies in 17.9% to 48.1% of all cases, depending on age. The ELISA-test seems to be useful in the diagnosis of ocular toxoplasmosis.