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For Health Care Professionals

Laboratory Testing

Infection with non-polio enteroviruses or parechoviruses can be confirmed by:

  • polymerase chain reaction (PCR) assays and sequencing
  • isolating the virus in cell culture, followed by PCR assays for virus identification

Specimen Collection

Non-polio enteroviruses and parechoviruses can be detected in stool or rectal swabs and respiratory specimens (including from the throat). Depending on the symptoms, other specimen types such as cerebrospinal fluid, blister fluid, and blood can be collected for testing. For more information, see Specimen Collection, Storage, & Shipment.

A positive laboratory test for non-polio enteroviruses and parechoviruses from certain specimens, such as rectal or respiratory swab, does not necessarily mean the virus is the cause of infection. Non-polio enteroviruses and parechoviruses can be shed for an extended period of time after the symptoms have resolved.

References

  • American Academy of Pediatrics. Section 3: Enterovirus (nonpoliovirus) – clinical manifestations. In Red Book: 2015 Report of the Committee on Infectious Diseases. 30th ed. Kimberlin DW, Brady MT, Jackson MA, Long SS, eds. Elk Grove Village, IL: American Academy of Pediatrics; 2015.

NOTE: for recommendations on clinical evaluation, reporting, and treatment of EV-D68 as well as laboratory testing and infection control, see Enterovirus D68 for Health Care Professionals.

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