title: Changing pattern of pyogenic meningitis in Lusaka.
mesh_terms: D000293:Adolescent; D000367:Age Factors; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D008581:Meningitis / Q000175:diagnosis* / Q000453:epidemiology* / Q000382:microbiology; D012737:Sex Factors; D013997:Time Factors; D015024:Zambia