Journal
JOURNAL OF GENERAL VIROLOGY
Volume 97, Issue -, Pages 2043-2057Publisher
MICROBIOLOGY SOC
DOI: 10.1099/jgv.0.000540
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Funding
- Foundation for Science and Technology (FCT) Portugal [SFRH/BD/76291/2011]
- Human Potential Operational Programme (POPH)
- European Union
- Fundação para a Ciência e a Tecnologia [SFRH/BD/76291/2011] Funding Source: FCT
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The most important enteric virus infecting canids is canine parvovirus type 2 (CPV-2). CPV is the aetiologic agent of a contagious disease, mainly characterized by clinical gastroenteritis signs in younger dogs. CPV-2 emerged as a new virus in the late 1970s, which could infect domestic dogs, and became distributed in the global dog population within 2 years. A few years later, the virus's original type was replaced by a new genetic and antigenic variant, called CPV-2a. Around 1984 and 2000, virus variants with the single change to Asp or Glu in the VP2 residue 426 were detected (sometimes termed CPV-2b and -2c). The genetic and antigenic changes in the variants have also been correlated with changes in their host range; in particular, in the ability to replicate in cats and also host range differences in canine and other tissue culture cells. CPV-2 variants have been circulating among wild carnivores and have been well-documented in several countries around the world. Here, we have reviewed and summarized the current information about the worldwide distribution and evolution of CPV-2 variants since they emerged, as well as the host ranges they are associated with.
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