Dengue fever is Contagious disease caused by the mosquito. Fly to bite people who suffer from dengue, especially with a high fever. Red virus will multiply in the mosquito for about 8-10 days. Red virus will go to the stomach and salivary glands of mosquitoes. When a mosquito bites a person, it can spread to humans. Infection in humans is about 2-7 days during a fever. If a mosquito bites someone infected with the virus will spread to other people. Which most often as a child. The disease spreads in wet season Mosquitoes like living in homes and schools like daylight spawn in fresh water that still exist. The container with water, such as tires, tin plate plant pot shell.