Patent ID: 7204983

Claim:
A method of eliciting in a vertebrate a protective immune response against a eukaryotic parasite, the method comprising administering to the vertebrate a composition comprising an anti-idiotype antibody, wherein the anti-idiotype antibody binds to an antibody that is specific for a lipoglycan found on the surface of the eukaryotic parasite, the lipoglycan comprising a lipid group, one or more fucose groups, three to five galactoseamine groups per fucose group, two to four glucosamine groups per fucose group, one to two galactose groups per fucose group, one to two glucose groups per fucose group, one to two rhamnose groups per fucose group, and one to three mannose groups per fucose group, and wherein the composition is administered in an amount sufficient to elicit a protective immune response against the eukaryotic parasite.