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Picornaviridae |
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Picornaviridae [pē‚kȯr·nə′vir·ə‚dī] (virology) A viral family made up of the small (18-30 nanometers) ether-sensitive viruses that lack an envelope and have a Togaviridae genome, contains the generaEnterovirus(human polio),Cardiovirus(mengo),Rhinovirus(common cold), andAphtovirus(foot-and-mouth disease). Picornaviridae A viral family made up of the small (18–30 nanometer) ether-sensitive viruses that lack an envelope and have a ribonucleic acid (RNA) genome. The name is derived from “pico” meaning very small, and RNA for the nucleic acid type. Picornaviruses of human origin include the following subgroups: enteroviruses (polioviruses, coxsackieviruses, and echoviruses) and rhinoviruses. There are also picornaviruses of lower animals (for example, bovine foot-and-mouth disease, a rhinovirus). See Animal virus, Coxsackievirus, Poliomyelitis, Rhinovirus How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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HPeV1 and HPeV2 were previously known as the enteroviruses echovirus 22 and 23 but were reclassified into a new genus within the family Picornaviridae after phylogenetic analysis showed that parechoviruses were distinct from other picornaviruses (1-3,8-11). To the Editor: Human enteroviruses (polioviruses, coxsackievirus A, coxsackievirus B, echoviruses, enterovirus 71, and newer recognized serotypes) belong to the Picornaviridae family, Enterovirus genus (1). Within the Picornaviridae family, 5 genera are known to cause infections in humans: Enterovirus, Hepatovirus, Rhinovirus, Kobuvirus, and Parechovirus (1). |
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