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Borna disease, also known as sad horse disease, [1] is an infectious neurological syndrome [2] of warm-blooded animals, caused by Borna disease viruses 1 and 2 (BoDV-1/2). BoDV-1/2 are neurotropic viruses of the species Mammalian 1 orthobornavirus, and members of the Bornaviridae family within the Mononegavirales order.
BoDV-1/2 have the smallest genome (8.9 kilobases) of any Mononegavirales member and are unique within that order in their ability to replicate within the host cell nucleus. BoDV-1 was isolated from a diseased horse in the 1970s, but the virus particles were difficult to characterise. Nonetheless, the virus' genome has been characterised.
HIV-2 was more similar to the then-known SIV strains than to HIV-1, suggesting for the first time the simian origin of HIV. Further studies indicated that HIV-2 is derived from the SIVsmm strain found in sooty mangabeys, whereas HIV-1, the predominant virus found in humans, is derived from SIV strains infecting chimpanzees (SIVcpz).
Five more horses have died at a barn at Los Alamitos, bringing the total to 12 deaths as a result of an outbreak of equine infectious anemia.
Dozens of captive animal species have been found infected or proven able to be experimentally infected with SARS-CoV-2, the virus that causes COVID-19. The virus has also been found in over a dozen wild animal species. Most animal species that can get the virus have not been proven to be able to spread it back to humans.
Canine coronavirus (CCoV), which is a member of the species Alphacoronavirus 1, [136] causes mild gastrointestinal disease. [127] Canine respiratory coronavirus (CRCoV), which is a member of the species Betacoronavirus 1 and related to HCoV-OC43, [139] cause respiratory disease. [127] Similarly, there are two types of coronavirus that infect ...
DENVER (Reuters) -An unknown and highly contagious disease has killed 85 wild horses in less than a week at a federal corral in Colorado, officials said on Wednesday, revising the number upward ...
Equid alphaherpesvirus 1, also called 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 ...