Group A and C meningococcal vaccines.
D000328:Adult; D001428:Bacterial Vaccines; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D008585:Meningitis, Meningococcal / Q000453:epidemiology / Q000401:mortality / Q000517:prevention & control*; D022401:Meningococcal Vaccines; D009345:Neisseria meningitidis / Q000472:pathogenicity; D016134:Organizational Policy; D012621:Seasons; D018805:Sepsis / Q000453:epidemiology / Q000401:mortality / Q000517:prevention & control*; D014944:World Health Organization / Q000458:organization & administration
D001428:Bacterial Vaccines; D022401:Meningococcal Vaccines