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Canine distemper virus is closely related to measles virus and is the most important viral disease of dogs. The disease (which was first described in 1760, by Edward Jenner, the pioneer of smallpox vaccination, is highly contagious, but is well controlled by vaccination. In the 1990s, thousands of African lions died from the infection, which ...
The virus is shed in saliva and eye and nasal secretions, and can also be spread by fomites. FVR has a two- to five-day incubation period. [3] The virus is shed for one to three weeks postinfection. [4] Latently infected cats (carriers) will shed FHV-1 intermittently for life, with the virus persisting within the trigeminal ganglion.
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Influenza B virus is almost exclusively a human pathogen, and is less common than influenza A. The only other animal known to be susceptible to influenza B infection is the seal . [ 47 ] This type of influenza mutates at a rate 2–3 times lower than type A [ 48 ] and consequently is less genetically diverse, with only one influenza B serotype ...
A virus causing respiratory disease in humans has been called human bocavirus due to its similarity to these viruses. [3] Canine minute virus was originally discovered in Germany in 1967 in military dogs, [4] although it was originally thought to not cause disease. Dogs and puppies are infected orally, and the virus is spread transplacentally ...
MR is the process by which two, or more, virus genomes containing lethal damage interact within the infected cell to form a viable virus genome. Such MR was demonstrated for adenovirus 12 after virions were irradiated with UV light and allowed to undergo multiple infection of host cells. [ 25 ]
The first animal virus discovered (1897) was the foot-and-mouth disease virus (FMDV). It is the prototypic member of the genus Aphthovirus in the Picornaviridae family. [5] The plaque assay was developed using poliovirus; the discovery of viral replication in culture was also with poliovirus in 1949.
African swine fever virus (ASFV) is a large double-stranded DNA virus which replicates in the cytoplasm of infected cells and is the only member of the Asfarviridae family. The virus causes a lethal haemorraghic disease in domestic pigs. Some strains can cause death of animals within as little as a week after infection.