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. 1988 Apr;52(2):229–235.

Agents of equine viral encephalomyelitis: correlation of serum and cerebrospinal fluid antibodies.

D P Keane 1, P B Little 1, B N Wilkie 1, H Artsob 1, J Thorsen 1
PMCID: PMC1255432  PMID: 2836046

Abstract

A survey was conducted by testing 115 paired equine serum and cerebrospinal fluid samples by hemagglutination-inhibition for antibodies to Powassan and snowshoe hare viruses, and by virus neutralization for antibodies to equine herpesvirus type 1. Twenty-five samples were from horses with spontaneous neurological disease and the remainder from horses euthanized because of various nonneurological disorders. All sera and cerebrospinal fluids were negative for antibodies to Powassan virus. Fifty-one sera (44.3%) and 15 cerebrospinal fluids (13.0%) had antibodies to snowshoe hare virus. Ninety-eight sera (85.2%) and four cerebrospinal fluids (3.5%) were positive for antibodies to equine herpesvirus type 1. Powassan virus was inoculated intracerebrally into one, and intravenously into four ponies. Neurological signs associated with a nonsuppurative encephalomyelitis occurred in three ponies. Antibodies to Powassan virus were detected in sera of all animals but in cerebrospinal fluids of only two. Powassan virus was isolated from brain and spinal cord of only the intracerebrally inoculated animal.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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