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The Canadian veterinary journal = La revue veterinaire canadienne1987; 28(8); 497-504;

Equine viral encephalomyelitis in Canada: a review of known and potential causes.

Abstract: Rabies, equine herpesvirus type I, and eastern and western encephalomyelitis viruses, known causes of equine neurological disease, are reviewed with emphasis on epidemiology, pathogenesis, clinical signs, and diagnosis.Several arboviruses known to be active in Canada and capable of producing neurological disease in humans (Powassan, St. Louis encephalitis, snowshoe hare, and Jamestown Canyon viruses) are discussed as potential causes of encephalomyelitis in horses.
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Publication Date: 1987-08-01 PubMed ID: 17422841PubMed Central: PMC1680587
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  • Journal Article

Summary

This research summary has been generated with artificial intelligence and may contain errors and omissions. Refer to the original study to confirm details provided. Submit correction.

The research article focuses on assessing and reviewing the known and potential causes of the neurological disease called equine viral encephalomyelitis in horses in Canada. Part of the study involves a comprehensive review on established causes including Rabies and equine herpesvirus type I, as well as exploring the possibility of other active arboviruses as potential disease agents.

Overview of the Research

  • This research article is an encompassing examination of equine viral encephalomyelitis within Canadian territories. The study critically reviews the proven causes—such as Rabies, equine herpesvirus type I, eastern and western encephalomyelitis viruses—while also delving into the potential causes that could play a role in the development of the said disease in equines.

Epidemiology, Pathogenesis, Clinical Signs and Diagnosis

  • The article discusses in great detail the existing data regarding the epidemiology (the study of how often and where diseases occur and how they are transmitted), which involves understanding how these viruses spread and how these disease occurrences impact the equine population in Canada. This involves evaluating data regarding the rate and locations of these disease occurrences.
  • The pathogenesis (disease development) of equine viral encephalomyelitis is also discussed. It involves understanding how the aforementioned viruses cause disease in horses once they are infected. The article seeks to explain the progression from infection to symptoms, and how the disease further develops and affects the animal.
  • It provides extensive information regarding the clinical signs or symptoms recorded or researched pertaining to the disease caused by these viruses, helping veterinarians and equine handlers identify potential cases.
  • The article also delves into the diagnosis methods, providing information about how each of these diseases can be effectively identified to ensure early and accurate treatment.

Potential Causes of Equine Viral Encephalomyelitis

  • There’s a significant portion of the paper that opens the discussion about arboviruses active in Canada, including Powassan, St. Louis encephalitis, snowshoe hare, and Jamestown Canyon viruses. While these viruses are known to cause neurological diseases in humans, the study considers whether these viruses might cross over and cause similar neurological disease, particularly encephalomyelitis, in horses.

Cite This Article

APA
Keane DP, Little PB. (1987). Equine viral encephalomyelitis in Canada: a review of known and potential causes. Can Vet J, 28(8), 497-504.

Publication

The Canadian veterinary journal = La revue veterinaire canadienne
ISSN: 0008-5286
NlmUniqueID: 0004653
Country: Canada
Language: English
Volume: 28
Issue: 8
Pages: 497-504

Researcher Affiliations

Keane, D P
    Little, P B

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      Citations

      This article has been cited 4 times.
      1. Barba M, Fairbanks EL, Daly JM. Equine viral encephalitis: prevalence, impact, and management strategies. Vet Med (Auckl) 2019;10:99-110.
        doi: 10.2147/VMRR.S168227pubmed: 31497528google scholar: lookup
      2. Andrews C, Gerdin J, Patterson J, Buckles EL, Fitzgerald SD. Eastern equine encephalitis in puppies in Michigan and New York states. J Vet Diagn Invest 2018 Jul;30(4):633-636.
        doi: 10.1177/1040638718774616pubmed: 29717641google scholar: lookup
      3. Heath SE, Artsob H, Bell RJ, Harland RJ. Equine encephalitis caused by snowshoe hare (California serogroup) virus. Can Vet J 1989 Aug;30(8):669-71.
        pubmed: 17423397
      4. Carman PS, Artsob H, Emery S, Maxie MG, Pooley D, Barker IK, Surgeoner GA, Mahdy MS. Eastern equine encephalitis in a horse from southwestern Ontario. Can Vet J 1995 Mar;36(3):170-2.
        pubmed: 7757923
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