Equine herpesvirus 2

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Equine herpesvirus 2
Virus classification
Group: Group I (dsDNA)
Family: Herpesviridae
Subfamily: Gammaherpesvirinae
Genus: Rhadinovirus
Species: Equine herpesvirus 2 (EHV-2)

Equine herpesvirus 2 (EHV-2) is a virus of the family Herpesviridae, originally known as equine cytomegalovirus due to its slow replication in tissue culture. However, complete sequencing of the EHV-2 genome has demonstrated that it is a member of the subfamily Gammaherpesvirinae, in the genus Rhadinovirus.[1] It has an uncertain role in respiratory disease in horses, but EHV-2 has been isolated from cases exhibiting symptoms such as coughing, conjunctivitis, and swollen submaxillary and parotid lymph nodes.[2]


  1. ^ Telford EA, Watson MS, Aird HC, Perry J & Davison AJ (June 9, 1995). "The DNA sequence of equine herpesvirus 2". Journal of Molecular Biology. 249: 520–528. doi:10.1006/jmbi.1995.0314. 
  2. ^ Fenner, Frank J.; Gibbs, E. Paul J.; Murphy, Frederick A.; Rott, Rudolph; Studdert, Michael J.; White, David O. (1993). Veterinary Virology (2nd ed.). Academic Press, Inc. ISBN 0-12-253056-X.