
FDA approved the use of meningococcal (A, C, Y, W-135) polysaccharide diphtheria toxoid conjugate vaccine (Menactra, Sanofi Pasteur) in children aged as young as 9 months for the prevention of invasive meningococcal disease caused by Neisseria meningitidis serogroups A, C, Y, and W-135.



