Picornaviruses

Le résumé fourni par la source

Picornaviruses (virus members of the family Picornaviridae ) are small non-enveloped viruses that infect a diverse range of eukaryotic hosts. This chapter reviews the molecular organization, epidemiology, and pathobiology of picornaviruses that can infect domesticated pigs and also describes diagnostic tools that can be used to identify infected animals. Some of these viruses, such as foot-and-mouth disease virus (FMDV), swine vesicular disease virus, encephalomyocarditis virus (EMCV), porcine teschovirus (PTV), and Seneca Valley virus, (SVV) cause diseases that impact swine health. Of these, the endemic circulation of FMDV continues to constrain the development of livestock production systems in many parts of the world, while the recent emergence of SVV as a significant swine pathogen reinforces the importance of work to understand the natural history of these viruses, even those not currently associated with obvious disease.

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