Osceola County is taking action against a rise in mosquito-borne illnesses, authorizing a multi-day aerial spraying campaign to reduce mosquito populations and limit the spread of dengue fever across Central Florida. Low-flying aerial spraying is scheduled over four nights, beginning Thursday, Oct. 22, with treatments running from 8 p.m. until dawn.

Orange County is taking its fight against mosquitoes to the skies after reporting five locally acquired cases of dengue fever, a mosquito-borne virus that can cause severe illness. The county plans to conduct aerial mosquito spraying in targeted areas of Apopka and Pine Hills in an effort to reduce the mosquito population.

Officials say a seventh case of malaria has been documented in a southwest Florida county.

Aerial mosquito treatments are beginning in multiple Central Florida counties after a reported increase due to Hurricane Ian.

Mosquito season in Florida varies by region, but peaks during rainy season. Here's what you need to know about how they spread and the most common species that live here.