Vaxcyte Advances Adult and Infant Programs for VAX-31, a Potential Best-in-Class, Next-Generation Pneumococcal Conjugate Vaccine

VAX-31 Adult Indication: Vaxcyte Doses First Participants in Phase 3 Study Evaluating Concomitant Administration of VAX-31 and Seasonal Influenza Vaccine (OPUS-2) and Expects to Initiate Phase 3 Study in Adults Previously Vaccinated with Pneumococcal Vaccines (OPUS-3) in First Quarter of 2026 Company Expects to Report Topline Safety, Tolerability and Immunogenicity Data from Both OPUS-2 and OPUS-3 Phase 3 Studies in First Half of 2027, Supporting Planned BLA Submission VAX-31 Adult Phase 3 Noninferiority Tr ...