This invention provides a polyvalent vaccine comprising at least two
conjugated antigens selected from a group containing glycolipid antigen,
polysaccharide antigen, mucin antigen, glycosylated mucin antigen and an
appropriate adjuvant. This invention also provides a multivalent vaccine
comprising at least two of the following: glycosylated MUC-1-32mer, Globo
H, GM2, Le.sup.y, Tn(c), sTN(c), and TF(c). This invention provides the
vaccine above, wherein the adjuvant is saponin-based adjuvant. This
invention provides a method for inducing immune response in a subject
comprising administering an effective amount of the vaccine above to the
subject. Finally, this invention provides a method for treating cancer in
a subject comprising administering an appropriate amount of the vaccine
above to the subject.