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Meningococcal Disease

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In 1887, Anton Weichselbaum, a Viennese doctor, was the first to report the isolation of meningococci from patients with meningitis (1). Shortly after, came the first description of lumbar puncture in living patients (2), leading to the isolation of meningococci from acute cases of meningitis. Three years later, Kiefer grew meningococci from the nasopharynx of cases of meningococcal disease, and from their contacts (3), a finding of immense significance in advancing understanding of the epidemiology and pathogenesis of the disease. Early serological typing systems demonstrated that there were important differences between meningococci in terms of their virulence.