A Single-center, Randomized, Blind, Positive Control Phase III Clinical Trial to Evaluate Immunogenicity and Safety of Group ACYW135 Meningococcal Polysaccharide Conjugate Vaccine in Healthy Volunteers Aged From 6 Months to 5 Years
The purpose of this study is to evaluate the immunogenicity and safety of Group ACYW135 Meningococcal Polysaccharide Conjugate Vaccine in healthy volunteers aged from 3 months to 5 years old.