Patent ID: 7964200

Claim:
A chimeric immunogen, comprising a) a Pseudomonas exotoxin A (PE) receptor binding domain Ia b) a PE translocation domain II, c) a Chlamydia trachomatis antigen selected from the group consisting of AETIFDVTTLNPTIAGAGDVKTSAEG (SEQ ID NO.:6), AETILDVTTLNPTIAGKGTVVTSAE (SEQ ID NO.:7), TTLNPTIAGC (SEQ ID NO.:8), CAETIFDVTTLNPTIAGAGDVKTSAEGC (SEQ ID NO.: 15), CAETILDVTTLNPTIAGKGTVVTSAEC (SEQ ID NO.:16), and CTTLNPTIAGC (SEQ ID NO.:17) inserted into PE domain Ib, and d) a PE endoplasmic reticulum retention domain III, wherein the PE domain Ib is located between PE translocation domain II and PE endoplasmic reticulum retention domain III wherein the said chimeric immunogen does not comprise more than one C. trachomatis antigen.