Pyogenic meningitis in Lagos.
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008581:Meningitis / Q000134:cerebrospinal fluid / Q000453:epidemiology*; D008583:Meningitis, Haemophilus / Q000453:epidemiology; D008585:Meningitis, Meningococcal / Q000453:epidemiology; D008586:Meningitis, Pneumococcal / Q000453:epidemiology; D008875:Middle Aged; D009549:Nigeria; D012621:Seasons