Meningococcal Meningitis Clinical Trial
Official title:
A Randomized, Blinded, Peer-controlled Clinical Trial to Evaluate the Safety and Immunogenicity of ACYW135 Group Meningococcal Polysaccharide Conjugate Vaccine (CRM197 Vector) in a Population Aged 18-59 Years
This is a randomized, observer-blind, peer-controlled study. There will be 2 treatment groups, screened subjects were given study numbers in the order of enrollment and randomly assigned to the test and control groups in a 1:1 ratio. Subjects were required to complete a 1-dose immunization program with 0.5 ml of vaccine in both the test and control groups.
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