This document provides information about dengue fever, including its definition, transmission, symptoms, treatment, and prevention. It states that dengue is a mosquito-borne virus found in tropical and subtropical regions worldwide. The virus is transmitted by the bites of infected Aedes aegypti mosquitoes and has an incubation period of 4-10 days in humans. Common symptoms include high fever, headache, muscle pains, and rash. Treatment focuses on medical care and fluid maintenance to prevent complications. Prevention involves eliminating mosquito breeding sites and following government advisories.