Crimean-Congo hemorrhagic fever

What is Crimean-Congo hemorrhagic fever?

Crimean-Congo hemorrhagic fever (CCHF) is a tick-borne zoonotic disease caused by CCHF virus and characterized by initial fever, headache, and malaise followed by gastrointestinal symptoms and, in severe cases, bleeding, shock, and multi-organ system failure.

Other condition names

  • CCHF
  • Congo fever
  • Congo hemorrhagic fever
  • Crimean hemorrhagic fever


  • Europe: <1 in 1,000 000

Age of Onset

  • All ages
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