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Table 1 Confirmed cases of meningitis, Africa, 2000–2017

From: An overview of bacterial meningitis epidemics in Africa from 1928 to 2018 with a focus on epidemics “outside-the-belt”

Pathogens Number of positive CSF Percentage
Streptococcus pneumoniae 2826 24.39
Haemophilus influenzae 362 3.12
Neisseria meningitidis 7747 66.87
Neisseria meningitidis A 1161 10.02
Neisseria meningitidis B 1 0.01
Neisseria meningitidis C 2771 23.92
Neisseria meningitidis W 2796 24.13
Neisseria meningitidis X 552 4.76
Neisseria meningitidis Y 6 0.05
Other Neisseria meningitidis 460 3.97
Other pathogensa 620 5.35
Positive Latex testa 30 0.26
Total of positive CSF 11,585 100.00
  1. aOther pathogens include Streptococcus spp., Streptococcus group D, Salmonella sp., Enterobacter spp., Citrobacter spp., Staphylococcus aureus, Escherichia coli, Klebsiella sp., Candida sp., Acinetobacter sp., Listeria sp., Cryptococcus neoformans and Pseudomonas sp. (Source: WHO)