Florida Dengue Cases Reach 485 as Hillsborough County Extends Health Emergency
BROWNSTONE WORLDWIDE NEWSROOM | November 3, 2026 — Florida has recorded 485 locally acquired dengue infections this year after 60 additional cases were reported in the most recent weekly update, according to data summarized by the University of Minnesota’s Center for Infectious Disease Research and Policy. Hillsborough County remains the state’s primary outbreak center.
Where the cases are concentrated
CIDRAP reported that 385 of the 485 cases are in Hillsborough County, which includes Tampa. Other Florida counties have reported cases as well. These figures are statewide, not a count specific to Port St. Lucie and not evidence that the Treasure Coast flood emergency caused this outbreak.
What local authorities are doing
Hillsborough County extended its dengue-related local state of emergency through November 5. County mosquito-control crews are increasing ground and aerial treatments after surveillance found dengue activity in mosquito populations. The emergency declaration helps local officials coordinate operations and seek reimbursement for response costs.
What is dengue?
Dengue is a virus spread mainly by infected Aedes mosquitoes. Many infections are mild or cause no symptoms, but some people develop high fever, headache, muscle and joint pain, nausea or rash. Severe dengue can be dangerous, so anyone with concerning symptoms—especially after a mosquito exposure—should contact a healthcare professional.
How to reduce mosquito exposure
Residents can empty standing water from buckets, planters, tires and gutters; use EPA-registered insect repellent as directed; wear long sleeves and pants when appropriate; and keep window and door screens in good repair. Mosquitoes that transmit dengue can bite during the day.
The Brownstone Bottom Line
The numbers represent a significant statewide mosquito-borne disease concern with a strong concentration in Hillsborough County. Florida residents should follow county mosquito-control and health updates and avoid confusing separate weather emergencies with the documented dengue transmission areas.
Featured image: Brownstone Worldwide original AI-generated editorial illustration; not documentary photography.
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