Meningococcal disease, Ethiopia (update).
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D004196:Disease Outbreaks; D005002:Ethiopia / Q000453:epidemiology; D005602:France / Q000453:epidemiology; D006801:Humans; D008589:Meningococcal Infections / Q000453:epidemiology*; D006113:United Kingdom / Q000453:epidemiology