Florida Reports First Locally Acquired Dengue Cases in Multiple Counties
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The Florida Department of Health confirmed that 23 locally acquired cases of dengue fever have been identified in the state in 2026. Health officials announced the first local transmission case in Citrus County, located about an hour north of Tampa, marking the northernmost infection reported in the state this year. Recent surveillance reports indicate a rapid surge in transmission, with 16 cases recorded during a single week in mid-August. Most of the total cases are concentrated in the Tampa Bay area, including 15 cases in Hillsborough County and three in Pinellas County. Miami-Dade and Palm Beach counties have also reported local transmissions. Local acquisition indicates that native mosquito populations are actively transmitting the virus within communities rather than among international travelers. In response, local vector control authorities have deployed targeted aerial larviciding, truck fogging, and ground inspections to eliminate standing water habitats and reduce mosquito breeding.
Timeline
- On December 31 2025 Florida recorded 62 total locally acquired dengue cases statewide.
- On July 15 2026 Florida health officials detected early 2026 local dengue cases.
- On August 3 2026 Local dengue cases emerged in Miami-Dade and Palm Beach.
- On August 8 2026 State surveillance logged 65 travel-associated dengue cases across Florida.
- On August 11 2026 Pinellas County confirmed two local dengue cases after decade.
- On August 12 2026 Hillsborough County confirmed eight local dengue cases triggering alert.
- On August 15 2026 Florida weekly arbovirus report logged 16 local dengue cases.
- On August 24 2026 Citrus County confirmed its first locally acquired dengue case.
- On August 25 2026 Local mosquito control agencies expanded aerial and ground spraying.
- State health authorities expect expanded vector control throughout peak autumn
Sources
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