Study of Reduced Dose of Menomune® in Children Who Previously Received Meningococcal Diphtheria Toxoid Conjugate Vaccine

This was a two stage, controlled, open-label trial. Stage I of the trial simulated meningococcal challenge Stage II of the trial evaluated the meningococcal vaccine naïve participants from Stage I, who had also received a reduced dose of Menomune® vaccine in Stage I and were administered a full dose of Menactra® vaccine 6 months later.