Optimizing Laboratory Diagnostic Services for Infectious Meningitis in the Meningitis Belt of sub-Saharan Africa

Charles E Okolie1, Unyime C Essien2

  • 1Diagnostics for One Health, Department of Microbiology , College of Pure and Applied Sciences, Landmark University , Km 4 Ipetu Road , Omu-Aran , Kwara State , Nigeria 251101.

ACS Infectious Diseases
|November 19, 2019
PubMed

Insights

Sub-Saharan Africa

Area of Science:

  • Clinical microbiology
  • Infectious diseases
  • Epidemiology

Background:

  • The sub-Saharan
  • meningitis belt
  • faces a persistent, large-scale epidemic of meningitis, exacerbated by HIV-associated immunosuppression.

Purpose of the Study:

  • To assess the current etiological spectrum of meningitis in the region.
  • To guide diagnostic services in targeting geographically relevant pathogens.
  • To advocate for a One Health approach in diagnostics.

Main Methods:

  • Review of current diagnostic practices in the meningitis belt.
  • Analysis of pathogen prevalence and mortality data.
  • Proposal for a categorized laboratory approach.

Main Results:

  • *Cryptococcus neoformans* is identified as the leading cause of meningitis-related death (75% mortality).
  • Current diagnostic laboratories primarily focus on *N. meningitidis*, *H. influenzae*, and *S. pneumoniae*.
  • A significant gap exists between prevalent pathogens and diagnostic focus.

Conclusions:

  • Diagnostic services in the meningitis belt need to broaden their scope beyond common bacterial pathogens.
  • Integrating *Cryptococcus neoformans* and other relevant fungi into routine diagnostics is crucial.
  • A One Health strategy and categorized laboratory services are recommended to improve patient outcomes.

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