The aim of this report is to develop consensus-based recommendations formeasures to be taken by medical and public health professionalsif Crimean-Congo hemorrhagic fever (CCHF) viruses are used as biological weaponsagainst a civilian population. CCHF is a viral haemorrhagic fever of the Nairovirus genus, family Bunyaviridae. CCHF virus is a tick-borne virus that causes a severe hemorrhagic disease in humans with a case fatality rate of approximately 30%. Although primarily a zoonosis, sporadic cases and outbreaks of CCHF affecting humans do occur. The disease is endemic in many countries in Africa, Europe and Asia. Recently, Turkish populations have suffered from Crimean – Congo Hemorrhagic Fever about four years. CCHF has been seen some of the cities in Turkey since 2002. Recommendations for limiting the spread of CCHF, in cases of natural outbreaks or terrorist spread, include.