Persistence of Antibodies at 3, 4 and 6 Years of Age After Vaccination With Meningococcal, Pneumococcal and Hib Vaccines

Intramuscular injection into the thigh as primary vaccination at 2, 4 and 6 months of age and as booster dose at 11-18 months of age. No vaccine was administered during this long-term follow up study.

Intramuscular injection into the thigh as primary vaccination at 2, 4 and 6 months of age and as booster dose at 11-18 months of age. No vaccine was administered during this long-term follow up study.

Intramuscular injection into the thigh as primary vaccination at 2, 4 and 6 months of age and as booster dose at 11-18 months of age. No vaccine was administered during this long-term follow up study.

Intramuscular injection into the thigh as primary vaccination at 2 and 4 months of age and as booster dose at 11-18 months of age. No vaccine was administered during this long-term follow up study

Intramuscular injection into the thigh as primary vaccination at 2 and 4 months of age and as booster dose at 11-18 months of age. No vaccine was administered during this long-term follow up study

Intramuscular injection into the thigh as primary vaccination at 2, 4 and 6 months of age (all countries) and as booster dose at 11-18 months of age (Germany and Poland). No vaccine was administered during this long-term follow up study

Intramuscular injection into the thigh as primary vaccination at 2, 4 and 6 months of age (all countries) and as booster dose at 11-18 months of age (Germany and Poland). No vaccine was administered during this long-term follow up study

Intramuscular injection into the thigh as booster dose at 11-18 months of age (Spain). No vaccine was administered during this long-term follow up study

Intramuscular injection into the thigh as booster dose at 11-18 months of age (Spain). No vaccine was administered during this long-term follow up study