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Rare case of Capnocytophaga canimorsus meningitis in a man without risk factors
  1. Faheem Malik1,
  2. William Orchard2 and
  3. George Jacob3
  1. 1Intensive Care Medicine, Royal Berkshire NHS Foundation Trust, Reading, UK
  2. 2Acute Medicine, Royal Berkshire NHS Foundation Trust, Reading, UK
  3. 3Microbiology, Royal Berkshire NHS Foundation Trust, Reading, UK
  1. Correspondence to Dr Faheem Malik; faheemmalik{at}


Capnocytophaga canimorsus meningitis is an uncommon but potentially serious cause of meningitis, which is considered particularly rare in healthy and immunocompetent individuals. We present a case of C. canimorsus meningitis in a young, immunocompetent patient which was acquired following a dog bite. We review the literature and propose that underdiagnosis of this condition is likely. To avoid misdiagnosis, and thus improper management, clinicians should ensure that they identify animal exposure in all meningitic patients, and adopt a higher clinical suspicion in the absence of classical risk factors.

  • meningitis
  • infectious diseases
  • neurology

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  • Contributors WO: conception and design. FM and WO: data acquisition. FM: analysis, interpretation of data and writing publication. FM, WO and GJ: critical revision of publication. FM, WO and GJ: approval of final publication. WO: supervision.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.