Crimean-Congo haemorrhagic fever (CCHF)
CCHF is a viral haemorrhagic fever, primarily a zoonosis, although sporadic cases and small outbreaks of CCHF affecting humans do occur. The virus is transmitted by argasid or ixodid ticks. The disease was first described in the Crimea in 1944 and given the name Crimean haemorrhagic fever. In 1969 it was recognized that the pathogen causing Crimean haemorrhagic fever was the same as that responsible for an illness identified in 1956 in the Congo, and linkage of the two place names resulted in the current name for the disease and the virus.
Geographic distribution of Crimean-Congo haemorrhagic fever:
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