 An example of anti-idiotype antibody is Racotumomab.In one example of producing an anti-idiotypic vaccine, antibodies that bind tumor-associated antigens (TAA) are isolated and injected into mice.To the murine immune system, the TAA antibodies are antigens and cause an immunogenic reaction producing murine antibodies that can bind to the "TAA idiotype" and is said to be "anti-idiotypic".