A Case of Crimean-Congo Hemorrhagic Fever with Long Incubation Period in Kocaeli, Turkey

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Willke, Ayse
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Crimean-Congo hemorrhagic fever (CCHF) is a viral hemorrhagic disease with high mortality rate. CCHF is endemic in Central Anatolia and East and Central Black Sea parts of Turkey, however sporadic cases have been detected in the other regions. The incubation period of the disease is between 1-3 days (maximum 12 days). In this report, a very rare CCHF case with a long incubation period of 30 days, was reported. A 40-year-old female patient living in a village of Kocaeli, Turkey was admitted to a health center in June 2010 with the complaints of headache, myalgia, nausea, vomiting, fatigue and fever. Since laboratory results revealed severe thrombocytopenia (18.300/mm(3)), the patient was referred to the university hospital in Kocaeli. It was learned from her history that she had been working in the garden and removed a tick from the skin of gluteal area a month ago without seeking any medical help. Physical examination of the patient revealed that her general condition was well, oriented and cooperative, body temperature was 36.6 degrees C, pulse 82/minute, trombocyte count 69.400/mm(3) and liver enzymes were elevated (ALT: 194 U/L, AST: 499 U/L, GGT: 384 U/L, LDH: 1290 U/L). Petecchial lesions were seen on hard palate and extremities and a hyperemic lesion was detected at the gluteal area where the tick had attached. In-house real-time polymerase chain reaction test for CCHF, performed at Refik Saydam National Public Health Agency, Virology Reference and Research Laboratory, revealed positive result. This case was presented to withdraw attention to a long incubation period CCHF and also of its epidemiological importance since it was the first case in Kocaeli province, Turkey.
Koc M., Willke A., -A Case of Crimean-Congo Hemorrhagic Fever with Long Incubation Period in Kocaeli, Turkey-, MIKROBIYOLOJI BULTENI, cilt.46, ss.129-133, 2012
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