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Global number of meningitis cases by etiology and age group in 1990 and 2019

(Source: GBD 2019 Meningitis Antimicrobial Resistance Collaborators. Global, regional, and national burden of meningitis and its aetiologies, 1990-2019: a systematic analysis for the Global Burden of Disease Study 2019. Lancet Neurol 2023;22[8]:685-711. Creative Commons Attribution 4.0 International [CC BY 4.0] license, creativecommons.org/licenses/by/4.0.)

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Associated Disorders

  • asplenia
  • deficiency of a terminal complement component (C5-9)
  • deficiency of properdin