<prompt> All are Flaviviruses except,HCVChikungunyaYellow feverJapanese B encephalitis virus  <response>: Chikungunya belongs to the genus alphavirus of the family Togaviridae. Two genera of medical impoance in Flaviruses- Flavivirus: ahropod borne viruses; Yellow fever, JEV, Dengue... Hepacivirus: Hepatitis C virus, non-ahropod borne Two genera of medical impoance in Togaviruses- Genus- Alphavirus: Chikungunya, Onyong-nyong, WEE, VEE, EEE. Genus- Rubivirus: Rubella. 