Viral dissemination and diagnostic insights from experimental infection of sheep with Crimean-Congo hemorrhagic fever virus
npj Viruses·
- DOI
- 10.1038/s44298-026-00228-y
- PMID
- —
- PMCID
- —
- OpenAlex
- —
- Study type
- Journal article
- Publisher
- Springer Science and Business Media LLC
- Article type
- journal-article
- Integrity
- current
Why this research matters now
Because these animals serve as biological amplifiers that facilitate pathogen transfer to arthropod vectors and human populations, clarifying their physiological response may inform broader transmission mitigation efforts and support prophylactic formulation.
Structured evidence summary
Research question
The investigation seeks to characterize viral replication patterns and host immune responses in sheep following experimental exposure to Crimean-Congo hemorrhagic fever virus.
Study design
Researchers performed a controlled experimental infection trial involving six sheep, tracking clinical signs, viral presence, and antibody production across a twenty-one-day observation period.
Population and setting
The cohort consisted of six Pomeranian Coarsewool sheep maintained under controlled conditions for experimental challenge and subsequent monitoring.
Main findings
Every subject exhibited brief febrile episodes and circulating viral particles. Tissue sampling near the end of the first week demonstrated maximum viral accumulation in hepatic, splenic, reproductive, and lymphatic structures. Immunological markers appeared within seven days, followed by measurable neutralizing antibodies by the eighth day.
Public-health relevance
Because these animals serve as biological amplifiers that facilitate pathogen transfer to arthropod vectors and human populations, clarifying their physiological response may inform broader transmission mitigation efforts and support prophylactic formulation.
Important limitations
The evaluation relied on a minimal cohort of six subjects, which restricts statistical generalizability and may not capture broader population variability.
GIDS interpretation
This work addresses documented gaps regarding asymptomatic mammalian reservoirs by providing empirical data on viral tissue tropism and immunological timelines in ovine hosts.
Related GIDS surveillance
Literature context does not validate, explain, or change a surveillance signal. Exact and contextual relationships are shown separately.
Evidence relationships
This article has 10 auditable classifier relationships to diseases, places, topics, and study design.