Dengue in United States
Country profile for United States (Americas): official dengue surveillance data reported to WHO, analysed by the SENTINARA early-warning engine.
Key facts
- United States reported 690 dengue cases from January to September 2026, -11.8% compared with the same period of 2025, according to WHO Global Dengue Surveillance.
- Deaths reported in 2026 to September: 0 (0 in the same period of 2025).
- In 2025, the last full year, United States recorded 1,153 cases, an incidence of 0.3 per 100,000 people and a case fatality rate of 0.000%.
- SENTINARA early-warning level for September 2026: Watch, because the latest month is above the 3rd quartile of the previous five years.
- Ensemble forecast: October 2026 about 241 cases (80% range 116 to 500); November 2026 about 192 cases (80% range 90 to 406); December 2026 about 166 cases (80% range 77 to 357). Backtest MAPE 40.7%, MASE 0.25.
- Cases usually peak in December (based on 12 complete years).
- The anomaly detectors flagged 14 months; the most recent was December 2024 with 321 cases.
- OpenDengue holds complete annual totals for United States since 1980.
- Countries with a similar seasonal pattern: Puerto Rico, Jamaica, Venezuela, Guatemala, Belize.
Related pages
- Dengue in Puerto Rico
- Dengue in Jamaica
- Dengue in Venezuela
- Dengue in Guatemala
- Dengue in Belize
- Dengue in Ecuador
- Dengue in Peru
- Dengue in El Salvador
- Dengue in Grenada
- Dengue in Trinidad and Tobago
- Dengue in Costa Rica
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.