Orbivirus Infections in Cattle

Germain Nappert, Douglas Hostetler, Sue Turnquist

Research output: Contribution to journalArticlepeer-review


Transplacental orbivirus infection in cattle usually produces only inapparent infection; most infected dams give birth to healthy uninfected offspring. However, sporadic disease outbreaks have been reported. In cattle, bluetongue virus (BTV) and epizootic hemorrhagic disease virus (EHDV) produce similar clinical signs. Mortality is generally low in both diseases. Both BW and EHDV are transmitted by small biting flies of the genus Culicoides. Although there is no particular species as a reservoir of EHDV, cattle infected with BTV are considered to be reservoir hosts from which the virus may be transmitted to sheep and susceptible wildlife ruminants. Recovered animals are immune to reinfection with the homologous serotype.

Original languageEnglish (US)
Pages (from-to)S78-S84
JournalCompendium on Continuing Education for the Practicing Veterinarian
Issue number4
StatePublished - Apr 2000
Externally publishedYes

ASJC Scopus subject areas

  • Education
  • veterinary(all)


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