Volume 61, Number 5 (15 2003)                   Tehran Univ Med J 2003, 61(5): 343-358 | Back to browse issues page


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Emadi Koochak H, Yalda A R, Haj Abdolbagh M, Sood Bakhsh A. Crimean-Congo Hemorrhagic Fever. Tehran Univ Med J. 2003; 61 (5) :343-358
URL: http://tumj.tums.ac.ir/article-1-1161-en.html

Abstract:   (4196 Views)
Crimean-Congo hemorrhagic fever (CCHF) was first described in the Crimea in 1944 and then in 1956 in congo. CCHF is a viral hemorrhagic fever of the Nairovirus group that belongs to Bunyaviridae family virus. It is transmitted to human by tick bite. The most efficient and common tick that is the vectors of CCHF is a member of the Hyalomma genus which infected many mammals such as livestock, this tick is the main reservoire of virus in nature. Humans also become infected with CCHF virus by direct contact with blood or other infected tissues from livestock or human patients (nosocomial infection). Disease has been found in saharic Africa, Eastern Europe, Pakistan, India and Middle East (specially Iran and Iraq). This disease recently spread in Iran so in 1999 to 2001 at least 222 suspected case(81 definite case) reported that led to the death of 15 of 81 cases. It is estimated that 30 percent of the country's cattle are contaminated with this virus.
In humans, after a short incubation period it appears suddenly with fever, chills, myalgia and GI symptoms followed by severe bleeding and DIC that led to death .If the patient improved, has a long {2-4 weeks) convalescence period. Disease diagnosed by clinical manifestations, serologic tests, viral culture and PCR and its specific treatment is oral ribavirin for 10 days, for prevention of disease personal protective measures from tick bite, spraying poison of mews to reduce of ticks crowd, isolation of patients and dis-infection of contaminated personal equipments that who suffering from CCHF is recommended.
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