An object of the present invention is to prepare novel vaccine carriers that can be used to produce vaccines that are capable of efficient induction of humoral and cellular immune responses. Another object of the present invention is to provide vaccines that are capable of efficient induction of humoral and cellular immune responses. The present inventors revealed that the above-stated objects of the present invention could be attained by using liposomes containing succinylated poly(glycidol) and this finding has led to the accomplishment of the invention. Stated specifically, the present invention can attain the aforementioned objects by providing vaccine carriers comprising liposomes containing succinylated poly(glycidol).
