Human echovirus 9

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Echovirus 9
Virus classification Edit this classification
(unranked): Virus
Realm: Riboviria
Kingdom: Orthornavirae
Phylum: Pisuviricota
Class: Pisoniviricetes
Order: Picornavirales
Family:
Picornaviridae
Genus: Enterovirus
Species:
Strain:
Echovirus 9
Synonyms
  • E-9
  • A23 virus
  • Coxsackie A23

Echovirus 9 (also known as E-9, E.C.H.O. 9, and formerly Coxsackie A23 or A23 virus)

coxsackie A virus, A23. It was later discovered that A23 was an echovirus antigenically identical to the already-known echovirus 9.[2]

Echovirus 9 is the most common enterovirus type.[3] It is a common cause of illness in humans, although unlike many enteroviruses, it rarely infects infants.[3] Its transmission is facilitated by crowded conditions. Those who are slightly ill and children are at particular risk of contracting echovirus 9 (A23).[4]

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Further reading