Dengue in Saint Lucia
Country profile for Saint Lucia (Americas): official dengue surveillance data reported to WHO, analysed by the SENTINARA early-warning engine.
Key facts
- Saint Lucia reported 9 dengue cases from January to August 2026, -79.1% compared with the same period of 2025, according to WHO Global Dengue Surveillance.
- Deaths reported in 2026 to August: 0 (0 in the same period of 2025).
- In 2025, the last full year, Saint Lucia recorded 47 cases, an incidence of 26.1 per 100,000 people and a case fatality rate of 0.000%.
- SENTINARA early-warning level for August 2026: Normal, because cases are within the usual range for this time of year.
- Ensemble forecast: September 2026 about 6 cases (80% range 1 to 21); October 2026 about 5 cases (80% range 0 to 21); November 2026 about 3 cases (80% range 0 to 17). Backtest MAPE 132.3%, MASE 0.48.
- Cases usually peak in September (based on 9 complete years).
- The anomaly detectors flagged 4 months; the most recent was November 2020 with 366 cases.
- OpenDengue holds complete annual totals for Saint Lucia since 1960.
- Countries with a similar seasonal pattern: Belize, Guatemala, El Salvador, Costa Rica, Cambodia.
Related pages
- Dengue in Belize
- Dengue in Guatemala
- Dengue in El Salvador
- Dengue in Costa Rica
- Dengue in Cambodia
- Dengue in Ecuador
- Dengue in Peru
- Dengue in Grenada
- Dengue in Trinidad and Tobago
Data updated 2026-10-31. Sources: WHO Global Dengue Surveillance; OpenDengue V1.3 (Clarke et al., 2025), doi:10.6084/m9.figshare.24259573; Dinas Kesehatan Kota Semarang; World Bank Open Data; NASA POWER.