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
All are true about J.E. Except - 
Select and explain. 
A. Transmitted by culex mosquitoes, B. Death occur in 9 days, C. Case fatality rate 80 to 90%, D. Duration of prodromal symptoms 1-6 days
C: Case fatality rate 80 to 90%
Answer: C: Case fatality rate 80 to 90% 
Explanation: Case fatality rate varies between 20-40 per cent. Ref: PARK&;S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE 23rd edition pg 286