This fever with hadache.runny nose and haemorhagic phenomen i-e bleding under skin from nose, urine etc. Caused by virus. Yet no treatment and fatality lies in between 20 to 40%.a virus transmited by ticks,an insect that suck the blood from animals and transmit the infection to human by biting.also transmited person to person via blood or from infected animal to person via blood. Prevenation: infected animal has no symtoms so use insecticide spray to animal skin. Away from ticks