<prompt> Following are true of Kyasanur forest disease except:Transmitted by soft tickCaused by retrovirusIncubation period is 3 - 8 daysKilled vaccine available  <response>: Ans. is b i.e., Caused by retrovirusRef: Ananthanarayan, 9the, p. 524 and 8the, p. 520 KFD is a febrile disease associated with haemorrhages. Caused by an arbovirus flavivirus group B Togavirus. Mode of transmission - Tick bite. Incubation period - 3 - 8 days. For population at risk, killed KFD vaccine is available. 