There is provided a composition for inducing an immune response to a Chlamydia species in a subject, the composition comprising one or more than one polypeptides selected from the group consisting of ribosomal peptide L/RplF, ribosomal protein L6 (RplF), PmpG protein, PmpG-1 peptide, PmpF protein, PmpE/F-2 family F2, glyceraldehyde 3-phosphate dehydrogenase and major outer membrane protein (MOMP), and the use of said composition to treat Chlamydia infections.
