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Medical Definition of Echinococcus disease
1. Infection caused by tapeworms of the genus echinococcus. The larval stage is called hydatid or hydatid cyst and develops in almost all mammals, especially domestic and farm animals, and in man under certain epidemiological conditions. The liver, lungs, and kidney are particularly common sites of development and infestation. . Echinococcosis, hepatic and echinococcosis, pulmonary are also available. (12 Dec 1998)