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6 diseases
AFR
Sierra Leone
Disease outbreak profile for Sierra Leone — 15 events, 6 diseases, since 1997.
Sierra Leone (SLE) · WHO AFR region · 15 WHO events across 6 diseases (1997–2024).
Diseases reported by Sierra Leone
| Disease | ICD-10 | Events | % of country total |
|---|---|---|---|
| Yellow fever, unspecified | A959 |
5 | 33% |
| COVID-19 | U071 |
5 | 33% |
| Lassa fever | A962 |
2 | 13% |
| Acute poliomyelitis, unspecified | A809 |
1 | 7% |
| Cholera | A000 |
1 | 7% |
| Intestinal infections due to Shigella | A031 |
1 | 7% |
Annual outbreak timeline
| Year | Events | Diseases |
|---|---|---|
| 2024 | 1 | 1 |
| 2023 | 2 | 2 |
| 2022 | 2 | 2 |
| 2021 | 2 | 2 |
| 2020 | 1 | 1 |
| 2011 | 1 | 1 |
| 2009 | 1 | 1 |
| 2004 | 1 | 1 |
| 2003 | 1 | 1 |
| 2000 | 1 | 1 |
| 1998 | 1 | 1 |
| 1997 | 1 | 1 |
Peak year: 2023 (2 events).
Decade summary
| Decade | Events |
|---|---|
| 1990s | 2 |
| 2000s | 4 |
| 2010s | 1 |
| 2020s | 8 |
Position in WHO AFR
Rank #31 of 47 countries in this region by total outbreak events on record.
Diseases Reported
6
Outbreak Events
15
Year Range
1997–2024
Country
Sierra Leone • AFR