Randomized study with four groups to receive one of the following vaccination regimens after a dose of hepatitis B vaccine given at birth:~One of the 3 lots of GSK Biologicals' Hib-MenAC mixed with GSK Biologicals' Tritanrix™-HepB (3 different groups)~GSK Biologicals' Tritanrix™-HepB/Hiberix™
The purpose of this study is to compare the reactogenicity & safety of Tritanrix™-HepB/Hib-MenAC vaccine to the international standard of care, Tritanrix™-HepB/Hiberix™.