This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
Dengue virus is a: 
Select and explain. 
A. Aplha virus, B. Flavi virus, C. Reovirus, D. Bunya virus
B: Flavi virus
Answer: B: Flavi virus 
Explanation: Flavi virus