Analysis of serotypes and electropherotypes of equine rotaviruses isolated in the United States

M. E. Hardy, G. N. Woode, Z. Xu, J. D. Williams, M. E. Conner, R. M. Dwyer, D. G. Powell

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19 Scopus citations


Equine group A rotaviruses isolated over a 10-year period in New York State, New Jersey, Kentucky, and Texas were compared serotypically and electropherotypically. All isolates were determined to be serotype 3 by reaction with hyperimmune antiserum to the serotype 3 H-2 strain of equine rotavirus. All displayed RNA electrophoretic migration patterns related to that of the H-2 strain but distinct from that of serotype 5 strain H-1. A serologic survey of 184 mares in Kentucky, which was done to determine the incidence of H-1 and H-2 infections, showed geometric mean serum neutralizing titers to the H-2 strain of equine rotavirus to be significantly higher than those to the H-1 strain. These data suggest that the serotype 3 H-2 strain is the dominant equine rotavirus in Kentucky and perhaps elsewhere in the United States. We were unable to produce confirmational evidence that the H-1 strain occurs as a natural infection in the United States.

Original languageEnglish
Pages (from-to)889-893
Number of pages5
JournalJournal of Clinical Microbiology
Issue number5
StatePublished - 1991

ASJC Scopus subject areas

  • Microbiology (medical)

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