Virus
Crimean-Congo hemorrhagic fever virus
Nairovirus, Hyalomma tick, livestock
cry-MEE-un CONG-goh VY-rus
High-yield clue
Bunyavirales nairovirus transmitted mainly by Hyalomma ticks and by contact with infected livestock blood.
Overview
A negative-sense single-stranded RNA virus (genus Orthonairovirus, family Nairoviridae, order Bunyavirales) with a segmented genome, studied as a tick-borne hemorrhagic-fever virus.
Classification
- Nairoviridae
- Order Bunyavirales
- Genus Orthonairovirus
- Negative-sense ssRNA
- Tri-segmented, enveloped
Lab & identification clues
- Segmented negative-sense bunyavirus genome vocabulary
- Viral hemorrhagic fever framing
- Tick-vector epidemiology concept
Associations
- Hyalomma tick vector
- Contact with viremic livestock blood/tissue
- Viral hemorrhagic fever presentation vocabulary
- Africa, Eurasia, and Middle East epidemiology
Commonly confused with
- Ebola virus
- Hantavirus
Your notes
Original student-study summary. Sources checked: OpenStax Microbiology 2e, NCBI Bookshelf Medical Microbiology, and CDC topic pages where applicable; reviewed 2026-06. Educational only; no diagnosis, treatment, dosing, or specimen-handling guidance.