Epizootic Hemorrhagic Disease
Encyclopedia
Epizootic Hemorrhagic Disease (EHD) is an orbivirus
that infects White-tailed Deer
in the northeastern and midwestern United States. The virus is transmitted by the Culicoides
biting midge. The EHD virus is closely related to the Bluetongue virus and crossreacts with it on many blood tests. The virus has an incubation period of approximately one week, during which the animal may transmit the virus to biting midges. After the development of symptoms (which include internal hemorrhage, weakness, high fever, bruising, and dyspnea) the animal dies within eight-36 hours.
Orbivirus
The genus Orbivirus is a member of the Reoviridae family. This genus currently contains 22 species and at least 130 different serotypes. Orbiviruses can infect and replicate within a wide range of arthropod and vertebrate hosts...
that infects White-tailed Deer
White-tailed Deer
The white-tailed deer , also known as the Virginia deer or simply as the whitetail, is a medium-sized deer native to the United States , Canada, Mexico, Central America, and South America as far south as Peru...
in the northeastern and midwestern United States. The virus is transmitted by the Culicoides
Culicoides
Culicoides is a genus of biting midges in the subfamily Ceratopogonidae. Around 500 species of Ceratopogonidae are at present placed in the genus and this is split into many subgenera. Several species are known to be vectors of various diseases and parasites which can affect animals.-Notable...
biting midge. The EHD virus is closely related to the Bluetongue virus and crossreacts with it on many blood tests. The virus has an incubation period of approximately one week, during which the animal may transmit the virus to biting midges. After the development of symptoms (which include internal hemorrhage, weakness, high fever, bruising, and dyspnea) the animal dies within eight-36 hours.