Primary Vaccination Study With a Pneumococcal Conjugate Vaccine in Healthy Children 6 to 8 Weeks of Age

Inclusion Criteria: * Male or female subjects between, and including 6-8 weeks of age at the time of the first vaccination. * Subjects for whom the investigator believes that their parent(s)/guardian(s) can and will comply with the requirements of the protocol. * Written informed consent obtained from the parent(s) or guardian(s) of the subject. * Free of obvious health problems as established by medical history and clinical examination before entering into the study. * Born after a gestation period of 36 to 42 weeks inclusive. Exclusion Criteria: * Use of any investigational or non-registered product (drug or vaccine) other than the study vaccines within 30 days preceding the first dose of the study vaccines, or planned use during the study period. * Planned administration/ administration of a vaccine not foreseen by the study protocol during the period starting one month before each dose of vaccines and ending 7 days after dose 1 and dose 2 and one month after dose 3. * Concurrently participating in another clinical study, at any time during the study period, in which the subject has been or will be exposed to an investigational or a non-investigational product. * Chronic administration (defined as more than 14 days) of immunosuppressants or other immune-modifying drugs since birth. * A family history of congenital or hereditary immunodeficiency. * Any confirmed or suspected immunosuppressive or immunodeficient condition based on medical history and physical examination.…