Vaxcyte Completes Enrollment of OPUS-1 and OPUS-2 Phase 3 Trials Evaluating VAX-31 for the Prevention of Invasive Pneumococcal Disease and Pneumonia in Adults

OPUS-1 Phase 3 Study Designed to Establish a New Standard for Adult Pneumococcal Conjugate Vaccines (PCVs) Through Head-to-Head Safety, Tolerability and Immunogenicity Comparisons of VAX-31 with Capvaxive® (PCV21) and Prevnar 20® (PCV20), the Current Standard-of-Care PCVs Topline Safety, Tolerability and Immunogenicity Data from OPUS-1 Phase 3 Study Expected in Fourth Quarter of 2026 OPUS-2 Phase 3 Study Evaluating Concomitant Administration of VAX-31 and Seasonal Influenza Vaccine Designed to Provide Real- ...