A Phase I, Randomized, Single-blind, Controlled, Single Center Study to Evaluate the Safety and Immunogenicity of a Dose Range of a Monovalent Glycoconjugate Antigen Vaccine of Group B Streptococcus in Healthy Women 18-40 Years of Age

Inclusion Criteria: * healthy females 18 through 40 years of age; * have provided written informed consent after the nature of the study has been explained; * are available for all visits scheduled for the study (i.e. are not planning to leave the area before the end of the study period); * are in good health as determined by: medical history, physical assessment, clinical judgment of the investigator Exclusion Criteria: * unwilling or unable to give written informed consent to participate in the study; * pregnant (serum pregnancy test) * unwilling to use acceptable birth control from screening and until at least 3 months after the final immunization * nursing (breastfeeding) mothers