Chikungunya virus is an emerging mosquito-borne virus that causes fever, joint pain, and other symptoms in humans. It is primarily transmitted by Aedes mosquitoes, the same type of mosquitoes that spread dengue and Zika viruses. Chikungunya virus was first identified in Tanzania in the 1950s and has since spread to many parts of the world, including Africa, Asia, and the Americas. Research on chikungunya virus focuses on understanding its transmission, pathogenesis, and immune response in order to develop better methods of prevention, diagnosis, and treatment. This includes studies on the genetic variability of the virus, its interaction with host cells, and the development of vaccines and antiviral drugs. Researchers are also investigating the potential impact of climate change on the spread of chikungunya virus and strategies for controlling its transmission.