Dengue fever — which has been surging worldwide — is spread primarily through the bite of warm-weather mosquitoes that are expanding their geographic reach due to climate change.

Orange County Mosquito Control is focusing on eliminating the breed of mosquito known to carry the arbovirus known as dengue.

KEY LARGO, Fla. An 11th case of the mosquito-borned dengue fever has been confirmed in the Florida Keys, health officials said. So far, all 11 cases have been in Key Largo, including eight cases the last week of June, the Florida Department of Health officials said Tuesday. Officials are currently conducting epidemiological studies to determine the origin and extent of these infections, Florida Keys spokeswoman Alison Kerr told the Miami Herald. One case of dengue fever has been confirmed Miami-Dade County, according to health department spokeswoman Olga Connor. The Florida Keys Mosquito Control District said helicopters and trucks are targeting the adult mosquitoes and larvae, said Chad Huff.