Background:
Crimean-Congo hemorrhagic fever (CCHF) is caused by Nairovirus, genus Bunyavirus in family of bunyaviridae, and is spread by the tick Hyalomma spp or via blood transfusion and contaminated blood of human and animal. During the recent years, disease has been reported from Iran, especially from Sistan and Baluchestan, Isfahan, Kermanshah and Kohkilouyeh-bouyerahmad provinces. Now, CCHF is endemic in Sistan and Baluchestan province. The resent study describes the clinical features of CCHF among pregnant women.