Dengue Fever Watch

Hillsborough Schedules Another Week of Night Spraying, Seminole Confirms a Second Local Case, and a Sarasota Case Raises Counting Questions

Tuesday, October 27, 2026 · 6 min

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Hillsborough County plans nightly aerial spraying over about 225,000 acres from Tuesday, Oct. 27, through Friday, Oct. 30, and Seminole County has confirmed its second locally acquired dengue case. A Suncoast Searchlight report raises questions about how Florida decides where an infection was acquired, after a North Port woman's case was left out of Sarasota County's local count.

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Hillsborough County plans nightly aerial spraying over about 225,000 acres from Tuesday, Oct. 27, through Friday, Oct. 30, and Seminole County has confirmed its second locally acquired dengue case. A Suncoast Searchlight report raises questions about how Florida decides where an infection was acquired, after a North Port woman's case was left out of Sarasota County's local count.

In this episode

  1. Hillsborough County Treating for Mosquitoes by Air Oct. 27-30 | Hillsborough County, FL — Hillsborough County, FL
    “Mosquito Management crews are increasing treatments by air and ground because the County's mosquito traps in many neighborhoods are showing dengue fever virus activity in the mosquito populations.”
  2. Seminole County confirms another case of dengue fever; 425+ cases in Florida this year — WKMG News 6
    “The latest health department report on mosquito-borne illnesses documents 425 locally acquired dengue cases in Florida since the start of the year. That report only runs through Oct. 17 and doesn’t include the Seminole County cases.”
  3. Sarasota County woman contracted dengue. Her case wasn’t counted by local officials | WUSF — Clinton Engelberger
    “Her case was twice reported to the Florida Department of Health, records shared with Suncoast Searchlight reveal. But according to the agency, Sarasota County has not recorded a single case of dengue fever that was acquired locally this year.”