Dengue Fever Watch

Hillsborough Adds Daytime Helicopter Larvicide Flights, Seminole Moves to a Mosquito-Borne Illness Alert

Wednesday, October 28, 2026 · 6 min

Dengue Fever Watch cover art

Hillsborough County is flying low helicopters over central Tampa and Palm River Oct. 28-30 to treat standing water for mosquito larvae, alongside its nightly spraying, and the Seminole County health department has issued a mosquito-borne illness alert after a second locally acquired dengue case. Plus, what a county inspector found in one Tampa yard.

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Hillsborough County is flying low helicopters over central Tampa and Palm River Oct. 28-30 to treat standing water for mosquito larvae, alongside its nightly spraying, and the Seminole County health department has issued a mosquito-borne illness alert after a second locally acquired dengue case. Plus, what a county inspector found in one Tampa yard.

In this episode

  1. Daytime Mosquito Treatment by Air This Week Across Tampa, Palm River | Hillsborough County, FL — Hillsborough County, FL
    “The low-flying helicopters are applying this bacterium to standing water in neighborhoods to prevent mosquitoes from breeding there - particularly mosquitoes that carry the dengue virus.”
  2. DOH-Seminole Issues Mosquito-Borne Illness Alert - Florida Department of Health in Seminole County — Floridahealth
    “The alert is in response to an additional confirmed case of locally-acquired dengue.”
  3. When a mosquito control expert flunks your home during a dengue inspection | WUSF — Sky Lebron
    “It didn't take Picora long to identify a prime location. That third garbage can that rarely gets used. Honestly, I forgot it existed. It was filled with rainwater from recent storms.”