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4 diseases
WPR
Tonga
Disease outbreak profile for Tonga — 8 events, 4 diseases, since 2009.
Tonga (TON) · WHO WPR region · 8 WHO events across 4 diseases (2009–2025).
Diseases reported by Tonga
| Disease | ICD-10 | Events | % of country total |
|---|---|---|---|
| COVID-19 | U071 |
4 | 50% |
| Influenza due to identified zoonotic or pandemic influenza virus | J090 |
2 | 25% |
| Measles | B05 |
1 | 13% |
| Dengue fever, unspecified | A979 |
1 | 13% |
Annual outbreak timeline
| Year | Events | Diseases |
|---|---|---|
| 2025 | 1 | 1 |
| 2024 | 2 | 2 |
| 2023 | 1 | 1 |
| 2022 | 1 | 1 |
| 2021 | 1 | 1 |
| 2019 | 1 | 1 |
| 2009 | 1 | 1 |
Peak year: 2024 (2 events).
Decade summary
| Decade | Events |
|---|---|
| 2000s | 1 |
| 2010s | 1 |
| 2020s | 6 |
Position in WHO WPR
Rank #13 of 25 countries in this region by total outbreak events on record.
Diseases Reported
4
Outbreak Events
8
Year Range
2009–2025
Country
Tonga • WPR