Safety and Immunogenicity of V116 in Pneumococcal Vaccine-naïve Adults 50 Years of Age or Older (V116-010, STRIDE-10)

Inclusion Criteria: * For females, is not pregnant or breastfeeding and is either not a woman of childbearing potential (WOCBP) or is a WOCBP and uses acceptable contraception/abstinence; and has medical, menstrual, and recent sexual activity history reviewed by the investigator to decrease the chance of inclusion of an early undetected pregnancy Exclusion Criteria: * Has a history of invasive pneumococcal disease (IPD) \[positive blood culture, positive cerebrospinal fluid culture, or positive culture at another sterile site\] or known history of other culture-positive pneumococcal disease within 3 years of Visit 1 (Day 1) * Has a known hypersensitivity to any component of V116 or PPSV23, including diphtheria toxoid * Has a known or suspected impairment of immunological function including, but not limited to, a history of congenital or acquired immunodeficiency, documented human immunodeficiency virus (HIV) infection, functional or anatomic asplenia, or history of autoimmune disease * Has a coagulation disorder contraindicating IM vaccination * Had a recent febrile illness (defined as oral or tympanic temperature ≥100.4°F \[≥38.0°C\] or axillary or temporal temperature ≥99.4°F \[≥37.4°C\]) or received antibiotic therapy for any acute illness occurring \<72 hours before receipt of study vaccine * Has a known malignancy that is progressing or has required active treatment \<3 years before enrollment * Received prior pneumococcal vaccine or is expected to receive any pneumoc…