EBOLA FEVER. Presently, the disease took the lives of several thousand people. Animals may be the carriers of the disease. The person may also get sick after the contact with blood of another sick person. The incubation period of Ebola fever lasts from four to six days. The patients suffer from a severe headache, muscle pain and diarrhea. Cough as well as sharp chest pain appears later. Hemorrhagic syndrome and nose and uterine bleeding develop at the end of the incubation period. The patient dies from blood loss and shock after two weeks since the initial symptoms.