Immunogenicity and Safety of Group A, C, Y & W-135 Meningococcal Polysaccharide Diphtheria Toxoid Conjugate Vaccine

Inclusion Criteria (IC): * Participant is willing and able to give informed consent and comply with all aspects of the evaluation after the nature of the study is explained. * Male or female, aged 18 to 55 years old * In general good health with no significant chronic or acute conditions that would interfere with immune response or expected Adverse Event (AE) evaluation in the opinion of the investigator as determined by Medical history and/or History-directed physical examination * Abstinence or use of effective contraception by the participants or their partners during the trial and continuing for four weeks after vaccination will be required for males or female participants of child bearing potential. * Able (in the opinion of the investigator) to comply with all study requirements. Exclusion Criteria (EC): * Unwilling or unable to understand study requirements and give written informed consent for the study. * Prisoners. * History of Guillain-Barré syndrome (GBS). * Pregnancy (confirmed by positive pregnancy test) or lactation. * Previous diagnosis of laboratory confirmed meningococcal disease. * Previous meningococcal meningitis vaccination in the last five years * Laboratory abnormalities that are considered Grade 2 or higher (based on AE, ranges as described in the protocol appendix) that in the opinion of the Investigator would raise safety concerns for participation in the study or interfere with evaluation of study objectives, or abnormalities \>2 times the Upper…