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25 countries
ICD-10 A879
Viral meningitis not elsewhere classified, unspecified
Viral meningitis not elsewhere classified, unspecified clinical and global spread profile: 25 countries, 37 WHO outbreak events since 1996.
Viral meningitis not elsewhere classified, unspecified · ICD-10 A879 · ICD-11 1C8E · 37 WHO events across 25 countries (1996–2021).
Top affected countries
| Country | Region | Events | % of global |
|---|---|---|---|
| Benin | AFR | 3 | 8% |
| Congo Democratic Republic of the | AFR | 3 | 8% |
| Central African Republic | AFR | 3 | 8% |
| Niger | AFR | 3 | 8% |
| Angola | AFR | 2 | 5% |
| Rwanda | AFR | 2 | 5% |
| Chad | AFR | 2 | 5% |
| Burkina Faso | AFR | 2 | 5% |
| Cyprus | EUR | 1 | 3% |
| Senegal | AFR | 1 | 3% |
| Ghana | AFR | 1 | 3% |
| Ethiopia | AFR | 1 | 3% |
| Tanzania United Republic of | AFR | 1 | 3% |
| Palestine State of | — | 1 | 3% |
| Somalia | EMR | 1 | 3% |
Distribution by WHO region
| Region | Events | Share |
|---|---|---|
| AFR | 32 | 86% |
| EMR | 2 | 5% |
| EUR | 1 | 3% |
| Unassigned | 1 | 3% |
| AMR | 1 | 3% |
Annual outbreak timeline
| Year | Events | Countries |
|---|---|---|
| 2021 | 1 | 1 |
| 2002 | 1 | 1 |
| 2001 | 6 | 6 |
| 2000 | 1 | 1 |
| 1999 | 3 | 3 |
| 1998 | 3 | 3 |
| 1997 | 9 | 9 |
| 1996 | 13 | 13 |
Peak year: 1996 (13 events).
Decade summary
| Decade | Events |
|---|---|
| 1990s | 28 |
| 2000s | 8 |
| 2020s | 1 |
WHO case definition
Any disease of the meninges, caused by an infection with a viral source.
Countries Affected
25
Outbreak Events
37
Year Range
1996–2021
coronavirus
ICD-10 A879
Viral meningitis not elsewhere classified, unspecified
Visualization
Global Prevalence Snapshot
Based on WHO Disease Outbreak News events (1996–2021).
Risk Level
Endemic / High Risk
Emerging / Moderate
Sporadic / Low Risk
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