Safety, Tolerability, and Immunogenicity of VAX-31 in Adults ≥50 Years With Immunobridging to Adults 18-49
ACTIVE_NOT_RECRUITING
Status
Conditions
Interventions
- BIOLOGICAL: 31 valent pneumococcal conjugate vaccine
- BIOLOGICAL: PCV20
- BIOLOGICAL: PCV21
Sponsor
Vaxcyte, Inc.