Changing patterns of bacterial meningitis in Olmsted County, Minnesota, 1935-1970.
D000293:Adolescent; D000328:Adult; D001419:Bacteria / Q000302:isolation & purification; D001424:Bacterial Infections / Q000453:epidemiology*; D002648:Child; D002675:Child, Preschool; D003428:Cross Infection / Q000453:epidemiology; D003644:Death Certificates; D006193:Haemophilus influenzae; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000453:epidemiology; D008499:Medical Records; D008581:Meningitis / Q000175:diagnosis / Q000453:epidemiology* / Q000209:etiology / Q000401:mortality; D008583:Meningitis, Haemophilus / Q000453:epidemiology / Q000401:mortality; D008586:Meningitis, Pneumococcal / Q000453:epidemiology / Q000401:mortality; D008875:Middle Aged; D008910:Minnesota; D009345:Neisseria meningitidis