Dengue in El Salvador
Country profile for El Salvador (Americas): official dengue surveillance data reported to WHO, analysed by the SENTINARA early-warning engine.
Key facts
- El Salvador reported 4,786 dengue cases from January to September 2026, +1.4% compared with the same period of 2025, according to WHO Global Dengue Surveillance.
- Deaths reported in 2026 to September: 3 (3 in the same period of 2025).
- In 2025, the last full year, El Salvador recorded 5,833 cases, an incidence of 91.6 per 100,000 people and a case fatality rate of 0.051%.
- SENTINARA early-warning level for September 2026: Watch, because the latest month is above the 3rd quartile of the previous five years; the last three months are +154.5% above the three months before.
- Ensemble forecast: October 2026 about 673 cases (80% range 441 to 1,027); November 2026 about 410 cases (80% range 254 to 661); December 2026 about 292 cases (80% range 177 to 479). Backtest MAPE 28.4%, MASE 0.66.
- Cases usually peak in August (based on 12 complete years).
- The anomaly detectors flagged 6 months; the most recent was May 2022 with 2,072 cases.
- OpenDengue holds complete annual totals for El Salvador since 1978.
- Countries with a similar seasonal pattern: Honduras, Guatemala, Belize, Costa Rica, Thailand.
Related pages
- Dengue in Honduras
- Dengue in Guatemala
- Dengue in Belize
- Dengue in Costa Rica
- Dengue in Thailand
- Dengue in Ecuador
- Dengue in Peru
- Dengue in Grenada
- Dengue in Trinidad and Tobago
- Dengue in United States
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.