Dataset from To Assess the Safety, Reactogenicity and Immunogenicity of GSK Biologicals' Pneumococcal Conjugate Vaccine Compared to Prevenar™, Co-administered With DTPw-HBV/Hib & OPV or IPV Vaccines as a 3-dose Primary Immunization Course During the First 6 Months of Age

This study will evaluate safety, reactogenicity and immunogenicity of GSK Biologicals' pneumococcal conjugate vaccine compared to Prevenar™ when co-administered with DTPw-HBV/Hib and OPV or IPV vaccines, according to 2 different schedules: 6-10-14 weeks or 2-4-6 months of age. The study has 2 groups. - One group of subjects will receive a 3-dose primary vaccination with the GSK Biologicals' pneumococcal conjugate vaccine (three different lots will be used and randomly allocated). - The 2nd group of subjects will receive a 3-dose primary vaccination with Prevenar™. All children will receive concomitantly DTPw-HBV/Hib and OPV or IPV vaccines. This protocol posting deals with objectives & outcome measures of the primary study. The objectives & outcome measures of the Booster study are presented in a separate protocol posting (NCT number =00547248).