Safety and Immunogenicity Study of GSK Biologicals' Investigational Vaccination Regimen Malaria Vaccine 257049, When Incorporated Into an Expanded Program on Immunization (EPI) Regimen That Includes Tritanrix HepB/Hib, OPV, Measles and Yellow Fever Vaccination in Infants

This study is being done to assess the possibility of the potential integration of malaria vaccine into the EPI regimen. It will evaluate whether the malaria vaccine is safe and immunogenic in infants aged 6 to 10 weeks at first dose, when co-administered with other EPI vaccine antigens. The Protocol Posting has been updated in order to comply with the FDA Amendment Act, Sep 2007.