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- calendar_today October 22, 2026
Osceola County Steps Up Mosquito Control Amid Dengue Fever Concerns
Osceola County has announced a countywide aerial mosquito control operation aimed at reducing the risk of dengue fever and other mosquito-borne illnesses. The decision comes after an increase in local dengue fever cases and coincides with recent heavy rainfall and an approaching weather front expected to bring more precipitation to the area.
Board of County Commissioners Approves Aerial Spraying
The Osceola County Board of County Commissioners authorized Mosquito Control to hire a contractor for a multi-day aerial spraying campaign. This action comes at a critical time, with the Florida Department of Health reporting a rise in locally transmitted mosquito-borne illnesses. The aerial treatment is designed to reduce mosquito populations, which play a key role in spreading diseases such as dengue fever.
Weather-Dependent Spraying Schedule
Aerial spraying is scheduled to occur overnight. However, treatments cannot proceed during rainfall or when winds exceed 10 mph. If weather conditions prevent spraying on the designated nights, the county will reschedule treatments for alternate dates in October, offering flexibility to ensure the operation's effectiveness.
Regional Coordination as Mosquito-Borne Illnesses Rise
Other Central Florida counties are also responding to heightened mosquito activity and dengue fever cases. Orange County is currently conducting similar spraying operations in the Apopka and Pine Hills areas after confirming five dengue fever cases. Seminole County reported a new locally acquired dengue case in Winter Springs the previous Wednesday. These coordinated efforts reflect a broader regional response to mosquito-borne illnesses.
EPA Guidelines and Community Outreach
The aerial spraying is being conducted in accordance with U.S. Environmental Protection Agency (EPA) recommendations, ensuring that mosquito control measures meet federal safety standards. Osceola County officials encourage apiaries and hobbyist beekeepers concerned about the potential impacts of the spraying to contact Mosquito Control for information and resources.
Continued Ground-Based Mosquito Control Efforts
In addition to aerial treatments, Osceola County Mosquito Control will continue ground-based strategies such as evening spray treatments and the use of biological larvicides targeting mosquito larvae. These efforts are adjusted as weather conditions allow.
County Officials Advise Steps for Outdoor Protection
- Drain standing water from containers, gutters, and any items that collect water.
- Wear long sleeves and pants when outdoors to minimize skin exposure.
- Clear brush and debris from yards and remove aquatic weeds from ponds.
- Use an EPA-registered mosquito repellent containing DEET, picaridin, or oil of lemon eucalyptus, following label instructions.
- Avoid outdoor activity during peak mosquito hours, particularly around dusk and dawn.
- Regularly empty, scrub or flush water-collecting items such as birdbaths at least every three days.
Community Members Experience Mosquito Problem Firsthand
Local resident Virginia Rodriguez shared her experience with persistent mosquitoes despite using repellent. She noted, “Sometimes when they mow the lawn, it’s like a cloud of mosquitoes. When it’s colder, it’s a little bit less of a problem. But when it’s too warm, they get under my hat; you cannot even open your eyes because they get into your eyes.” Her comments reflect the ongoing challenges faced by residents as mosquito populations surge during warm and wet weather.
Source: clickorlando.com.
