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Pneumococcal Pneumonia Vaccine

This is a Phase 3, Randomized, Open-Label study to evaluate the safety and immunogenicity of a 20-valent pneumococcal conjugate vaccine in adults 65 years of age and older with prior pneumococcal vaccination.  The study consists of 2 clinic visits and 1 follow up telephone contact.  You will be financially compensated for your completed visits and follow up call.