Immunogenicity and Safety of Sanofi Pasteur's Combined Vaccine Given as a Three-Dose Primary Series at 2, 3,4 Months of Age and Followed by a Booster Dose Given at 16 to 17 Months of Age in Vietnamese Infants Who Previously Received a Dose of Hepatitis B Vaccine at Birth or Within 1 Week After Birth

Inclusion Criteria: * Aged 61 to 91 days on the day of the first study visit * Born at full term of pregnancy (≥ 37 weeks) and with a birth weight ≥2.5 kg * Informed consent form has been signed and dated by the parent(s) or other legally acceptable representative (and by an independent witness if required by local regulations) * Subject and parent/legally acceptable representative are able to attend all scheduled visits and to comply with all trial procedures * Have received one dose of Hep B vaccine at birth or within 1 week after birth (documented according to the national recommendations). Exclusion Criteria: * Participation in the 4 weeks preceding the first trial vaccination or planned participation during the present trial period in another clinical trial investigating a vaccine, drug, medical device, or medical procedure * Receipt of any vaccine in the 4 weeks preceding the first trial vaccination or planned receipt of any other vaccine within the period from 8 days before to 8 days after each subsequent trial vaccination except for Bacille Calmette Guerin (BCG) vaccination (any administration of oral poliovirus vaccine (OPV) in the context of oral poliovirus vaccine-national immunization days (NIDs) does not fall within the scope of this exclusion criterion) * Previous vaccination against diphtheria, tetanus, pertussis, poliomyelitis, hepatitis B (except the dose of Hep B vaccine given at birth or within 1 week after birth) diseases or Haemophilus influenzae type …