[An evaluation of the efficacy of immunoenzyme analysis with whole and fractionated antigens of Echinococcus granulosus].

Efficacy of EIA with intact (IA) and fractionated (FA) antigens on 34 lung echinococcosis patients' sera and 42 control sera samples has been evaluated. Sediment fraction SF-70, obtained from echinococcal fluid treated with 70% saturated ammonium sulphate, was the most effective, revealing specific antibodies in 97.2 +/- 2.