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Diseases reference index «ECHO virus »

Enteric cytopathic human orphan (ECHO) viruses are a group of viruses that usually take the form of gastrointestinal infection and skin rashes.


ECHO virus infections are common.

Serious infections with ECHO viruses are less common, but can be significant. As many as one out of five cases of the brain infection aseptic meningitis is thought to be caused by an ECHO virus.


ECHO viruses cause a wide variety of conditions. Symptoms depend on the type of disease:

  • Aseptic meningitis
  • Croup
  • Encephalitis
  • Mouth sores (herpangina)
  • Myocarditis
  • Pericarditis
  • Pneumonia
  • Skin rashes
  • Upper respiratory infection
  • Viral pharyngitis

Exams and Tests

ECHO virus can be identified from:

  • Rectal culture
  • Spinal fluid culture
  • Stool culture
  • Throat culture


ECHO virus infections tend to clear up on their own. No specific antiviral medications are available.

An immune booster called IVIG may help patients with severe ECHO virus infections who have a compromised immune system.

Outlook (Prognosis)

Complete recovery without treatment is expected in patients who have the less severe types of illness. Infections of organs such as the heart (pericarditis and myocarditis) may cause severe disease and can be fatal.

Possible Complications

Complications vary with the site and type of infection. Myocarditis and pericarditis may be fatal while other types of infection improve on their own.

When to Contact a Medical Professional

Call your health care provider if you have symptoms of any of the diseases listed above.


No specific preventive measures are available for ECHO virus infections other than hand-washing, especially when you are in contact with sick people. Currently, no vaccines are available.

Alternative Names

Nonpolio enterovirus infection

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