RecruitingCombination productA Study on the Safety and Immune Response of a Urinary Tract Infection (UTI) Vaccine in Adults 18-64 Years of Age and Clinical Efficacy in Females 18-64 Years of AgeThe purpose of this study is to assess safety, reactogenicity, and immune response of the candidate UTI vaccine compared to placebo in adults between and including 18-64 years of age (YOA), and to perform a preliminary evaluation of clinical efficacy in females between and including 18-64 YOA.