 However, there are studies being conducted that are looking at possible vaccine candidates for an effective human vaccine against echinococcosis.For simple cases of cystic echinococcosis, the most common form of treatment is open surgical removal of the cysts combined with chemotherapy using albendazole and/or mebendazole before and after surgery.However, if there are cysts in multiple organs or tissues, or the cysts are in risky locations, surgery becomes impractical.