Dose-finding and Safety of 2 Intradermal MEN-ACYW135-conjugate Vaccines

Inclusion Criteria: Meningococcal C naive subjects are required to fulfill all of the following criteria: * Age ≥ 30 years * Good health according to the investigator * Willingness and ability to adhere to the study regimen * Able to give informed consent Meningococcal C experienced subjects are required to fulfill all of the following criteria: * Age ≥ 18 years * Good health according to the investigator * Willingness and ability to adhere to the study regimen * Able to give informed consent Exclusion Criteria: Meningococcal C naïve subjects should not have: * Known previous invasive meningococcal infection * Known or suspected previous vaccination against meningococcal disease * Known or suspected allergy against any of the vaccine components * Close contact in the last 60 days with a person known to be Neisseria positive * History of unusual or severe reactions to any previous vaccination * Family history of Guillain-Barré Syndrome * Known or suspected immune deficiency, either congenital or acquired * Administration of plasma or blood products less than three months prior to inclusion in the study * Pregnancy (breastfeeding is allowed) * Fertile female not conforming to prescribed contraceptive use (await first menstruation after vaccination before getting pregnant) * Any infectious disease * Bleeding disorders or use of anticoagulants * Participation as a subject in another trial in the last 3 months Meningococcal C experienced subjects should not have: * Known or suspected allergy against any of the vaccine components * Known previous vaccination with a quadrivalent meningococcal vaccine (either conjugate or polysaccharide) * Close contact in the last 60 days with a person known to be Neisseria positive * History of unusual or severe reactions to any previous vaccination * Family history of Guillain-Barré Syndrome * Known or suspected immune deficiency, either congenital or acquired * Administration of plasma or blood products less than three months prior to inclusion in the study * Pregnancy (breastfeeding is allowed) * Fertile female not conforming to prescribed contraceptive use (await first menstruation after vaccination before getting pregnant) * Any infectious disease * Bleeding disorders or use of anticoagulants * Participation as a subject in another trial in the last 3 months