1. whose parents/legal guardians were unwilling or unable to give written informed consent to participate in the study; 2. who had previously received any meningococcal B vaccine; 3. who had received prior vaccination with Diphtheria Tetanus Pertussis (DTP) (acellular or whole cell), Inactivated Polio Vaccine (IPV) or Oral Polio Vaccine (OPV), H influenzae type b (Hib) or Heptavalent Pneumococcal Conjugate (PC7) vaccine; 4. who had a previous ascertained or suspected disease caused by N meningitidis, S pneumoniae, C diphtheriae, tetani, Poliovirus, Hib, or B pertussis (history of laboratory confirmed, or clinical condition of spasmodic cough for a period ≥2weeks associated with apnea or whooping); 5. who had household contact with and/or intimate exposure to an individual with laboratory confirmed N meningitidis, B pertussis, Hib, C diphtheriae or Polio infection since birth; 6. who had a history of any anaphylactic shock, asthma, urticaria or other allergic reaction after previous vaccinations or known hypersensitivity to any vaccine component; 7. who had experienced significant acute or chronic infection within the previous 7 days or had experienced fever (≥38.0°C) within the previous 3 days; 8. who had any present or suspected serious acute or chronic disease (e.g., with signs of cardiac, renal failure, hepatic disease, or severe malnutrition or insulin dependent diabetes), or progressive neurological disease, or a genetic anomaly/known cytogenic disorders (e.g., Down's syndrome); 9. who had leukemia, lymphomas; 10. who had a known or suspected autoimmune disease or impairment/alteration of immune function resulting from (for example):