Report finds 359% rise in U.S. cases of dengue

A Centers for Disease Control and Prevention report released May 14 found that U.S.-reported dengue cases in 2024 increased 359% above the annual average from 2010-2023. Dengue is a mosquito-borne viral disease that can cause mild to severe illness and death. There were 3,798 cases reported to the CDC in 2024, compared to the average of 828 from 2010-2023. The report found that 97.2% of cases in 2024 were travel-associated and that 2.8% were acquired locally. Individuals age 50-59 accounted for 21.8% of cases, and 57.5% of cases occurred in Hispanic or Latino individuals. In addition, 36.1% of patients were hospitalized and a total of six patients died. Most travel-linked cases were acquired in the Caribbean (34.1%), North America (24.3%) and Central America (15.6%).