Primary & Booster Study in Infants to Demonstrate Non-inferiority, Persistence & Immunogenicity of Hib-MenC Vaccine

Inclusion Criteria Primary Phase: * Subjects who the investigator believes that their parents/guardians can and will comply with the requirements of the protocol should be enrolled in the study. * healthy male or female subject between, and including, 6 and 12 weeks of age at the time of the first vaccination, born after a gestation period between and including 36 and 42 weeks. * Written informed consent obtained from the parent or guardian of the subject prior to the study entry. * Free of obvious health problems as established by medical history and clinical examination before entering into the study. Booster Phase: • Participation in primary phase of study. Exclusion Criteria Primary Phase: * Use of any investigational or non-registered product (drug or vaccine) other than the study vaccine(s) since birth or planned use during the study period. * Chronic administration (defined as more than 14 days) of immunosuppressant or other immune-modifying drugs since birth. * Planned administration/ administration of a vaccine not foreseen by the study protocol since birth, with exception of BCG. * Previous vaccination against meningococcal serogroup C disease, diphtheria, tetanus, pertussis, polio, pneumococcal, Hepatitis B or Hib disease * History of Haemophilus influenzae type b and /or meningococcal serogroup C disease. * Any confirmed or suspected immunosuppressive or immunodeficient condition, including human immunodeficiency virus infection. * A family history of congenital or hereditary immunodeficiency. * History of allergic disease or reactions likely to be exacerbated by any component of the vaccine. * Major congenital defects or serious chronic illness. * History of any neurologic disorders or seizures. * Acute disease at the time of enrolment. * Administration of immunoglobulins and/or any blood products since birth or planned administration during the study period. Additional Exclusion criteria for the Booster Phase: • Previous booster vaccination with Hib and/or MenC and/or DTP containing and/or IPV containing and/or HepB containing vaccine(s).