Safety Study of Meningococcal ACYW135 Polysaccharide Conjugate Vaccine in Healthy Volunteers Aged Above 3 Months

Inclusion Criteria: * 3-11 months health infants who haven't immuned with Meningococcal A and C Conjugate Vaccine and population above 1 year old who have't given boost immunity. * Subject or legal representative who consent and has signed written informed consent. * Subject who did't immune with any live vaccine within 14 days and inactivated vaccine within 7 days before vaccination. * Subject and parent/guardian who is able to comply with all study procedures. * Axillary temperature ≤37.0 ℃. Exclusion Criteria: * History of allergy，eclampsia, epilepsy, encephalopathy and mental disease or family disease. * Allergic history after vaccination. * History of meningitis infection disease. * Acute Febrile illness and Infectious Diseases. * Febrile illness (temperature ≥ 38°C) in the 3 days. * Immunodeficiency diseases patients who administered with immunosuppressive agents. * Children within 1 year old with abnormal labor, asphyxia rescue history,congenital malformations,genetic defects, eccyliosis or severe chronic disease. * Liver and kidney or cardiopulmonary disease，acute hypertension and diabetes. * In pregnancy or lactation or pregnant women. * Subject who plan to participate in or is in any other drug clinical trial. * Meningococcal vaccine contraindication. * Any condition that, in the judgment of investigator, may affect trial assessment.