Dengue is an acute viral infection with potential fatal complications. In India more number of dengue cases are reported. This text contain history of Dengue and clinically recognized dengue epidemics in different countries were discussed. There is no specific treatment for dengue other than supportive measures and judicious fluid therapy. However various methods of vector control, i.e., physical, chemical, and biological have been used to control the transmission of disease were explained. Laboratory diagnosis methods for confirming dengue virus infection may involve detection of the virus,...