Equine arteritis virus: an overview.
- Journal Article
- Review
Summary
The research provides an overview on Equine arteritis virus (EAV), a respiratory disease in horses caused by a small, single-stranded RNA virus. It focuses on the clinical signs of the disease, its impact on stallions and pregnant mares, as well as available laboratory tests and the lack of licensed vaccines in the UK.
Equine arteritis virus and its effects
Equine viral arteritis (EVA) is a disease caused by the equine arteritis virus (EAV), a small, single-stranded RNA virus, which contains characteristics similar to both coronaviruses and toroviruses in terms of genome organization and replication strategy. The clinical signs of EAV infection in horses can vary extensively, with severe infections leading to abortions in pregnant mares.
- Most infected horses tend to recover well from the disease.
- However, there is a significant exception in the case of stallions, which can become persistent carriers of the virus, shedding it through their semen.
Role of Stallions in Dissemination of EAV
These stallions that become carriers of EAV play a critical role in the spread and maintenance of the virus within horse populations.
Laboratory Testing for EAV
There are several laboratory tests available that can detect the presence of EAV and the equine immune response to the infection. This implies that the virus can be diagnosed efficiently within a clinical setting.
Lack of Vaccines for EAV in the UK
Despite the existence of laboratory tests, there are no currently licensed vaccines to prevent EAV in the United Kingdom. The researchers note that this deficiency, paired with possible changes in European legislation, could lead to an increased incidence of the disease locally.
Conclusion
The authors of this study emphasize the need for further research to address the gap in the healthcare provision for horses in the UK, particularly in relation to preventive measures for EAV. The potential risk posed by carrier stallions emphasizes the need for regular testing and measures to prevent viral shedding and subsequent spread of the virus in horse populations.
Cite This Article
Publication
Researcher Affiliations
- Department of Infectious Diseases, Animal Health Trust, Suffolk.
MeSH Terms
- Abortion, Veterinary / microbiology
- Animals
- Arteritis / microbiology
- Arteritis / veterinary
- Equartevirus / genetics
- Female
- Horse Diseases / microbiology
- Horses
- Male
- Pregnancy
- Virus Diseases / microbiology
- Virus Diseases / veterinary
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Citations
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