Prophylaxis Pneumococcal Vaccine Clinical Trial
Official title:
Phase III Multicentric Open Study to Evaluate Immunological Memory Induced by 3-dose Primary Vaccination Followed by Booster Dose of GSK Biologicals' 11-valent Conjugate Pneumococcal Vaccine Compared to Unprimed Subjects by Giving 1 Dose of Aventis Pasteur's Pneumo 23
Evaluate the immunological memory induced by 4 doses of GSK Biologicals' 11valent pneumococcal vaccine; study antibody persistence 30 months after the 4 dose vaccination with GSK Biologicals' 11-valent pneumococcal vaccine in Undeca-Pn-010 study.
Primed group: 50 subjects who previously received 4 doses of GSK Biologicals' 11Pn-PD vaccine will receive 1 dose of Pneumo 23 Unprimed group (Control): 50 subjects who received GSK Biologicals' Havrix™ vaccine will receive 1 dose of Pneumo 23 ;