Study of NeisVac-C Vaccine to Evaluate Immunological Interference With Hepatitis B, Inactivated Polio and Acellular Pertussis Vaccines in Healthy Infants

Inclusion Criteria: * Male and female volunteers infants, aged 2 to 6 months * Clinically healthy, (i.e. the physician would have no reservations vaccinating with a meningococcal C vaccine outside the scope of a clinical trial) * Parent(s)/legal guardian understands the study and has provided written informed consent for his/her infant's study participation * Parent(s)/legal guardian and infant will be available for the duration of the study Exclusion Criteria: * History of any vaccine-related contraindicating event (e.g. anaphylaxis) * Rash or other dermatological condition at the injection site which could interfere with injection site reaction monitoring or lead to a dermatological reaction * Subjects who have received or will receive other vaccine(s) ± 30 days before or after the study period * Concurrent participation in or previous participation in a clinical trial with an investigational medicinal product * Subjects who suffer from a disease (e.g. autoimmune disease) or are undergoing a form of treatment (e.g. systemic corticosteroids, chemotherapeutics) that can be expected to influence immunological functions * Subjects who have previously received a vaccination against Hep B or meningococcal C * Subjects who have received banked human blood or immunoglobulins within one month of study entry