Safety of a Meningococcal (Groups A, C, Y and W-135) Polysaccharide Diphtheria Toxoid Conjugate Vaccine in Healthy Subjects in Vietnam

Inclusion Criteria: * Aged 9 months to 55 years on the day of the first study visit * For adults: Informed consent form had been signed and dated by the participant For minors: Informed consent form had been signed and dated by the parent or legally acceptable representative. In addition, in accordance with the Independent Ethics Committee /Institutional Review Board requirements and as appropriate for the age of the participant, the participant may be required to sign and date the informed consent form if aged 12 to 17 years or assent form if aged 8 to 11 years * Participant and/or parent/legally acceptable representative (if applicable) were able to attend all scheduled visits and to comply with all study procedures Exclusion Criteria: * Participation at the time of study enrollment (or in the 4 weeks preceding study vaccination) or planned participation during the present study period in another clinical study investigating a vaccine, drug, medical device, or medical procedure * Receipt of any vaccine in the 4 weeks preceding the study vaccination or planned receipt of any vaccine in the 4 weeks following study vaccination * Known or suspected congenital or acquired immunodeficiency; or receipt of immunosuppressive therapy, such as anti-cancer chemotherapy or radiation therapy, within the preceding 6 months; or long-term systemic corticosteroid therapy (\>=2 mg/kg/day prednisone or equivalent for more than 2 consecutive weeks within the past 3 months) * Known systemic h…