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PetriKey

Virus

Coxsackievirus

Enteroviruses of HFMD and myocarditis

kok-SAK-ee-VY-rus

rna-viruspicornavirusenterovirusnon-envelopedfecal-oralchildhood

High-yield clue

Group A causes hand-foot-and-mouth disease and herpangina, while group B is linked to myocarditis and pleurodynia.

Overview

A group of non-enveloped positive-sense RNA enteroviruses (groups A and B) that cause a spectrum of childhood and cardiac syndromes, useful for linking enterovirus vocabulary to distinctive presentations.

Classification

  • RNA virus
  • Positive-sense single-stranded RNA
  • Non-enveloped icosahedral
  • Family Picornaviridae, genus Enterovirus

Lab & identification clues

  • Enterovirus classification concept
  • Group A vs group B distinction
  • Stool/throat/CSF detection vocabulary
  • Vesicular lesion cytology concept

Associations

  • Hand-foot-and-mouth disease and herpangina (group A)
  • Myocarditis and pericarditis (group B)
  • Pleurodynia (Bornholm disease) vocabulary
  • Fecal-oral and respiratory-droplet spread

Commonly confused with

  • Poliovirus
  • Herpes simplex virus (oral lesions)

Frequently asked questions

What is Coxsackievirus?

A group of non-enveloped positive-sense RNA enteroviruses (groups A and B) that cause a spectrum of childhood and cardiac syndromes, useful for linking enterovirus vocabulary to distinctive presentations.

What are the lab clues for Coxsackievirus?

Lab clues for Coxsackievirus include Enterovirus classification concept, Group A vs group B distinction, Stool/throat/CSF detection vocabulary, and Vesicular lesion cytology concept.

What is Coxsackievirus commonly confused with?

Coxsackievirus is commonly confused with Poliovirus and Herpes simplex virus (oral lesions).

Original student-study summary. Sources checked: OpenStax Microbiology 2e, NCBI Bookshelf Medical Microbiology, and CDC topic pages where applicable; reviewed 2026-06. Educational only; no diagnosis, treatment, dosing, or specimen-handling guidance.

OpenStax: Microbiology 2e organism classification foundations - sourceNCBI Bookshelf: Medical Microbiology organism chapters - sourceCDC: CDC disease and public-health topic pages - source