Symptoms Of Dengue After Fever . After the fever breaks, people either start to get better or get much worse, developing severe dengue. Once you are infected with one of the dengue viruses, you will develop immunity to that virus for the rest of your life. Features and Symptoms of Dengue Fever Disease - Labeddu.com (Lottie Perry) Once you are infected with one of the dengue viruses, you will develop immunity to that virus for the rest of your life. These early symptoms do not usually last. Dengue fever is a viral infection caused by the dengue virus (DENV), which is carried by the Aedes aegypti mosquito. There are four types of dengue viruses that can After a dengue virus enters the human bloodstream, it spreads throughout the body. If you become sick after traveling to a tropical area, let your doctor know. Signs and Symptoms of Dengue Fever & Ways To Prevent ... Dengue ...