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