A Study to Learn About a Type of Pneumococcal Vaccine With a New Ingredient (PF-07872411) Intended to Enhance the Effects of the Vaccine Which is Given to Adults.

Condition:   Pneumococcal Disease Interventions:   Other: Low dose multivalent pneumococcal conjugate vaccine formulation A;   Other: Low dose multivalent pneumococcal conjugate vaccine formulation B;   Biological: Low dose of multivalent pneumococcal conjugate vaccine control;   Biological: Standard dose multivalent pneumococcal conjugate va ccine control Sponsor:   Pfizer Recruiting
Source: ClinicalTrials.gov - Category: Research Source Type: clinical trials