 It's a record-breaking year for dengue fever in South and Central America, and health authorities are warning of an increased risk for the disease in the U.S. as well. MPRS Ping Wong has tips for keeping dengue-carrying mosquitoes at bay. The Aedes aegypti mosquito loves biting humans. It goes from person to person, taking tiny sips of blood, and sometimes spreading viruses like dengue. In the continental U.S., these mosquitoes are found coast to coast, and especially in southern states with tropical weather.