Dataset from Immune Memory of GSK's DTPw-HBV/Hib Vaccine by Giving Plain PRP Polysaccharide at 10 Mths. Immuno & Reacto of a Booster Dose of DTPw-HBV/Hib or DTPw-HBV or DTPw-HBV+Hib at 15-18 Mths in Infants Previously Primed With DTPw-HBV/Hib

To assess the immune memory following primary vaccination of DTPw-HBV/Hib vaccine and to assess immunogenicity and reactogenicity of a booster dose given at 15 - 18 months of age.