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: Social & Preventive Medicine
Following are true of kyasanur forest disease except- 
Select and explain. 
A. Transmitted by Soft tick, B. Caused by retrovirus, C. Incubation Period is 3-8 days, D. Killed vaccine available
B: Caused by retrovirus
Answer: B: Caused by retrovirus 
Explanation: None