General information, not a diagnosis Method and limitations

Fact sheetVirus

Crimean-Congo haemorrhagic fever

Crimea-Congo haemorrhagic fever is a viral infection transmitted, inter alia, by ticks and by contact with infected blood or tissues.

Documentary Enrichment: · General information

Essentials

Viral zoonose transmitted by ticks or by contact with infected blood and tissues.

Agent
Crimea-Congo Orthonairovirus
Transmission or exposure
Vector · Animal / zoonosis · Close contact

Situation and vulnerability

Livestock, slaughter and care may be exposed. Infected animals may not appear sick; the absence of signs in them does not remove the risk.

Signs and limits of their interpretation

Sudden fever, pain and digestive disorders may precede bleeding or organ damage. Do not wait for bleeding manifestations to consult.

Diagnosis and monitoring

Specialized tests, including RT-PCR or detection of antigens and antibodies, confirm the infection. Sampling must be secured by trained teams.

Official sources consulted on . Documentary summary, without medical rereading.

Check these benchmarks in the WHO reference →

Prevention and care

Protect yourself from ticks and use professional protections adapted to animal tissues. Fever after compatible exposure should be reported promptly, before moving to care.

Practical issues

Is ribavirin a certain treatment of efficacy?

WHO highlights uncertainties about its effectiveness and use. Early support care remains essential; a therapeutic decision is the responsibility of the specialized team.

Preparing for an exchange with a professional

  • Tick and place
  • Slaughter or contact with blood
  • Chronology of fever and contact

Bring the full minutes and dates. This information facilitates evaluation; its collection must not delay an urgent appeal.

Individual decisionThe choice of a test, treatment or prevention depends on the local situation and recommendations. In case of distress, call 911.
A research workspace with microscope, storage box and non-identifiable documents. AI-generated illustration.
Prevention illustration — Fièvre hémorragique de Crimée-Congo — A research workspace with microscope, storage box and non-identifiable documents.
Image generated by artificial intelligence. AI illustration; it does not depict a disease, biological agent or diagnosis.

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Related fact sheets

These sheets share ways or contexts of exhibition in our catalogue. This reconciliation does not establish a differential diagnosis.

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Further reading

These publications help you verify the concepts discussed. Disease records and directory entries each identify their sources.

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