Equid alphaherpesvirus 1
Species of virus / From Wikipedia, the free encyclopedia
Equid alphaherpesvirus 1, formerly Equine herpesvirus 1 (EHV-1), is a virus of the family Herpesviridae that causes abortion, respiratory disease and occasionally neonatal mortality in horses. Initial spread of EHV-1 by a newly introduced horse through direct and indirect contact can lead to abortion and perinatal infection in up to 70 percent of a previously unexposed herd.[2] Abortion usually occurs in the last four months of gestation, two to four weeks after infection of the mare.[3] Perinatal (around the time of birth) infection can lead to pneumonia and death. Encephalitis can occur in affected animals, leading to ataxia, paralysis, and death. There is a vaccine available (ATCvet code QI05AA11 (WHO)), however its efficacy is questionable.[citation needed] The virus varies in severity from sub-clinical to very severe.[4] Most horses have been infected with EHV-1, but the virus can become latent and persist without ever causing signs of infection.[5] In 2006, an outbreak of EHV-1 among stables in Florida resulted in the institution of quarantine measures.[6] The outbreak was determined to have originated in horses imported from Europe via New York, before being shipped to Florida.[7]
Equid alphaherpesvirus 1 | |
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Virus classification ![]() | |
(unranked): | Virus |
Realm: | Duplodnaviria |
Kingdom: | Heunggongvirae |
Phylum: | Peploviricota |
Class: | Herviviricetes |
Order: | Herpesvirales |
Family: | Orthoherpesviridae |
Genus: | Varicellovirus |
Species: | Equid alphaherpesvirus 1 |
Synonyms | |
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