Three dose primary vaccination of healthy infants between 6 to 16 weeks of age at the time of the first vaccination against Streptococcus pneumonia, Neisseria meningitidis and Haemophilus influenzae type b.

Inclusion Criteria:

• male or female between, and including, 6-16 weeks (42 to 118 days) of age at the time of the first vaccination, free of obvious health problems and with written informed consent obtained from the parent/guardian of the subject.

Exclusion Criteria:

• use of any investigational or non-registered drug or vaccine other than the study vaccine within 30 days preceding the first dose of study vaccine, or planned use during the entire study period.
• Planned administration/ administration of a vaccine not foreseen by the study protocol during the period starting one month before each dose of vaccine(s) and ending 7 days after dose 1 and dose 2 or 1 month after dose 3.
• Previous vaccinations against diseases which are targeted by the vaccines used in the study.

Patient-level data for this study will be made available through www.clinicalstudydatarequest.com following the timelines and process described on this site.