Which is true about arboviral disease?

Ans. (c) KFD is transmitted by ticks Yellow fever is an exotic disease for India, i.e. disease which may be impoed in India or India is yellow fever 'receptive' area that is "an area in which yellow fever does not exist but where condition would permit its development if introduced". Dengue virus has at least 4 serotypes (not one). Japanese encephalitis is transmitted by culex (not Aedes).