Mossa sultany cchf
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Crimean-Congo Hemorrhagic Fever
Mossa Sultany
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CONTENTS History
Organism
Vectors
Transmission
Clinical findings
Diagnosis
Prevention
Treatment
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HISTORY 1944
First described in Crimea
200 soviet military personnel
1956
described for the second time in Congo
1969
Named CCHF
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THE ORGANISM
Crimean-Congo hemorrhagic fever virus
Family Bunyaviradae
Genus Nairovirus
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VECTORS
transmitted by ticks
Hyalomma
• Trans-ovarial transmission
• Trans-stadial transmission
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CCHF VIRUS CYCLE
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TRANSMISSION IN HUMANS
Tick bites
Contact with infected crushed ticks
Contact with infected animal
Human to human
Ingestion of unpasteurized milk
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CLINICAL STAGES IN HUMANS
Incubation period
Prehemorrhagic phase
Hemorrhagic phase
Convalescent phase
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INCUBATION PERIOD
Depends on route of exposure
Tick bites
• 1-3 days (up to 9 days)
Blood or tissue
• 5-6 days (up to 13 days)
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PREHEMORRHAGIC PHASE
High fever
Chills
Myalagia
Neck pain and stiffness
Headache
Abdominal pain
No-bloody diarrhea
Hypotension
Relative bradycardia
Conjunctivitis
Pharyngitis
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HEMORRHAGIC PHASE Petechial rash
Petechiae
Ecchymoses
Epistaxis
Hematemesis
Melena
Hemoptysis
Hematuria
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CONVALESCENT PHASE
10-20 days after illness onset
Generalized weakness
Tachycardia
Other nonspecific symptoms
Recovery usually complete but slow
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