Echovirus 9
Virus classification Edit this classification
(unranked): Virus
Realm: Riboviria
Kingdom: Orthornavirae
Phylum: Pisuviricota
Class: Pisoniviricetes
Order: Picornavirales
Family: Picornaviridae
Genus: Enterovirus
Species:
Enterovirus B
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)[1] is a serotype of echovirus. When first discovered, it was labelled as a 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]

References

  1. ^ Pasamanick B (1962-02-24). "Brain-damaged Children". British Medical Journal. 1 (5277): 558–559. doi:10.1136/bmj.1.5277.558-a. PMC 1958287.
  2. ^ Mahy BW (2001). A dictionary of virology (3rd ed.). Academic Press. pp. 1. ISBN 978-0-12-465327-6.
  3. ^ a b Cherry JD, Krogstad P (2011). "Enterovirus and Parechovirus Infections". Infectious Diseases of the Fetus and Newborn (Seventh ed.). pp. 756–799. doi:10.1016/B978-1-4160-6400-8.00024-9. ISBN 9781416064008.
  4. ^ Centers for Disease Control and Prevention (CDC) (August 2004). "Aseptic meningitis outbreak associated with echovirus 9 among recreational vehicle campers--Connecticut, 2003". MMWR. Morbidity and Mortality Weekly Report. 53 (31): 710–3. PMID 15306755.

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