Echovirus

Echovirus refers to a polyphyletic grouping of viruses united by their association with enteric disease in humans. The name is derived from "enteric cytopathic human orphan virus". These viruses were originally not associated with disease but many have since been identified as disease-causing agents. The term "echovirus" was used in the scientific names of numerous species. However, all echoviruses are now recognized as strains of various species, most of which are in the family Picornaviridae.[1]

List of echoviruses

The 34 echoviruses are listed hereafter:[1]

  • Human echoviruses 1–7, 9, 11–21, 24–27, and 29–33 are strains of the species Enterovirus B of the genus Enterovirus.[2]
  • Human echovirus 8 was shown to be identical to Human echovirus 1 and was abolished as a species.
  • Human echovirus 10 was reclassified as a strain of the species Reovirus type 1, currently named Mammalian orthoreovirus of the genus Orthoreovirus, which belongs to the family Reoviridae. As such, Human echovirus 10 is the only echovirus that does not belong to Picornaviridae.
  • Human echoviruses 22 and 23 are strains of the species Parechovirus A of the genus Parechovirus.[3]
  • Human echovirus 28 was reclassified as the species Human rhinovirus 1A, which was later merged with other rhinovirus strains into the currently named species Rhinovirus A of the genus Enterovirus.
  • Human echovirus 34 was abolished as a species and classified as a strain of Human coxsackievirus A24, which is now classified as a strain of the species Enterovirus C of the genus Enterovirus.

References
  1. Mahy, B. W. J. (26 February 2009). The Dictionary of Virology. Academic Press, 2009. p. 218–220. ISBN 9780080920368.
  2. "ICTV Taxonomy history: Enterovirus B". talk.ictvonline.org. International Committee on Taxonomy of Viruses. Retrieved 27 June 2020.
  3. "ICTV Taxonomy history: Parechovirus A". talk.ictvonline.org. International Committee on Taxonomy of Viruses. Retrieved 27 June 2020.
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