This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
[{'content': 'All are Flaviviruses except: \nSelect and explain. \nA. HCV, B. Chikungunya, C. Yellow fever, D. Japanese B encephalitis virus', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B. Chikungunyaa. Chikungunya belongs to the genus alphavirus of the family Togaviridae.b. Two genera of medical importance in Flaviruses-I. Flavivirus: arthropod borne viruses; Yellow fever, JEV, Dengue...II. Hepacivirus: Hepatitis C virus, non-arthropod bornec. Two genera of medical importance in Toga viruses-I. Genus- Alphavirus: Chikungunya, Onyong-nyong, WEE, VEE, EEE.II. Genus- Rubivirus: Rubella.', 'role': 'assistant'}]