A 
high integrity liposome comprising at least one stabile lipid and at least one 
peptide-like therapeutic agent associated with said 
liposome, adapted for parenteral administration to an animal, including a human, and method according to manufacture and use. Immunizing dosage forms comprising a 
liposome and an 
immunogen, wherein said liposome and 
immunogen are present in an immunization 
dose. Additionally, a 
dosage form, including such form particularly adapted to producing an immune response, comprising a salt according to an 
organic acid derivative of a 
sterol and an 
immunogen wherein said 
organic acid derivative of a 
sterol and immunogen are present in an immunization 
dose, and method according to use is disclosed. Further, a 
dosage form, including such form particularly adapted to producing an immune response, comprising dimyristoylphosphatidylcholine (DMPC) / 
cholesterol liposomes, optionally in an 
aluminum hydroxide gel, and an immunogen wherein said DMPC / 
cholesterol and immunogen are present in an immunization 
dose, and method according to use.