Epidemiological surveillance and control of cerebrospinal meningitis in Africa.
D000293:Adolescent; D000328:Adult; D000349:Africa; D002648:Child; D002675:Child, Preschool; D004196:Disease Outbreaks / Q000517:prevention & control; D006801:Humans; D008585:Meningitis, Meningococcal / Q000453:epidemiology / Q000517:prevention & control*; D011159:Population Surveillance; D014944:World Health Organization