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Three different antigens ftom Cysticercus cellulosae, vesiculâr fluid, a saline and an alkaline extract, were studied in the immunoenzymatic assay (ELrsA) for the diagnosis of cysticercosis. ELISA was then compared to immunofluorescence, complement fixation and hemagglutination tests in spinal fluids, for the diagnosis of neurocysticercosis. Results indicate the immunoenzymatic assay as a conve-nient test for this prlrpose.

Cysticercosis is a serious public health pro_ blem in Frazil1, 7, t2, z2. Among the several clinical forms (neurologic, ocular, muscular, subcuta_ neous) neurocysticercosis is certainly the most serious one. Ifowever, mar¡ y cases have been diagnosed only by chance during neurosurgery or necroþsis, or through spinal fluid. examen performed for other purposes in non-suspected cases. This suggests the occurrence of a symp-tomless parasitism of large epidemiological sig_ nificance. Thus the development not only of practical laboratory tests for routine purposes, but also of more reliable ones should. be fun-damental for determining the real prevalence of such parasitism t6.