This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
KFD is caused by ? 
Select and explain. 
A. Flavivirus, B. Myxovirus, C. Alphavirus, D. Phlebovirus
A: Flavivirus
Answer: A: Flavivirus 
Explanation: <p> kyasanur forest disease:- Agent- group B toga virus ( flavivirus). Rats and squirrels- main reservoir Monkeys- amplifier host. Vectors- Haemaphysalis. Age: 20-40 years. Sex- males more Mode of transmission- monkeys and ticks. By th bite of infective ticks. Incubation period- 3-8 days. {Reference: park&;s textbook of preventive and social medicine, 23rd edition, pg no.289}</p