Developing Story Note: This report covers new developments in Florida's 2026 locally acquired dengue outbreak. State case figures come from the Florida Department of Health's Week 37 report, with data through Sept. 19, 2026. Hillsborough County declared a state of local emergency on Sept. 24. Numbers may change as the state releases more weekly reports and completes case investigations.
Florida reported 38 new cases of locally acquired dengue in its latest weekly surveillance report, bringing the state's 2026 total to 190. The cases span six counties, and 30 of them began in September, according to the Florida Department of Health's Week 37 arbovirus report, which covers Sept. 13 to 19.
