Products of Meningococcal group A Polysaccharide (conjugated to TT) ; Meningococcal group C Polysaccharide (conjugated to CRM197); Meningococcal group Y Polysaccharide (conjugated to CRM197); Meningococcal group W Polysaccharide (conjugated to CRM197); Meningococcal group X Polysaccharide (conjugated to TT) ).