Sign Up for a Free Account

This is an image preview.
Start a Free Account
to view the full image.

  • Nearly 3,000 illustrations, including video clips of neurologic disorders.

  • Every article is reviewed by our esteemed Editorial Board for accuracy and currency.

  • Full spectrum of neurology in 1,200 comprehensive articles.

  • Listen to MedLink on the go with Audio versions of each article.

Spatial distribution of meningitis cases by country in Africa from 1928 to 2018

The areas in grey illustrate the different countries belonging to the meningitis belt. Note that meningitis case information is unavailable for the period 1948–1957. Typographical errors in the figure legend in the original have been corrected by Dr. Douglas J Lanska. (Source: Mazamay S, Guégan JF, Diallo N, et al. An overview of bacterial meningitis epidemics in Africa from 1928 to 2018 with a focus on epidemics "outside-the-belt." BMC Infect Dis 2021;21[1]:1027. Creative Commons Attribution License [By 4.0],

Associated Disorders

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