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The National Enterovirus Surveillance System (NESS) is a passive, voluntary surveillance system that monitors laboratory detections of enteroviruses and human parechoviruses in the United States. Participating laboratories are encouraged to report basic data, including serotype, on specimens. Since the 1960s, public health practitioners, researchers, and clinicians have used NESS data to determine patterns in the circulation of individual enterovirus and parechovirus types.

Most Common Enteroviruses Reported in the U.S., 2009-2013

Enterovirus Number of Positive Specimens
1   Coxsackievirus A6 12.3% of specimens
2   Human Parechovirus 3 12.3% of specimens
3   Echovirus 11 7.9% of specimens
4   Echovirus 18 5.6% of specimens
5   Coxsackievirus A9 5.1% of specimens
6   Coxsackievirus B4 5% of specimens
7   Echovirus 30 5% of specimens

For more information about the most recent enterovirus data, see CDC MMWR Enterovirus and Human Parechovirus Surveillance – United States, 2009 – 2013.

NESS Sites

CDC national enterovirus surveillance system or NESS Reporters and States from which EV- or HPeV-positive results Were Reported Between 2009 and 2012

Data Collection

CDC national enterovirus surveillance system, or NESS, cliniciansNESS accepts electronic reports of enterovirus and parechovirus typing results. If your laboratory is interested in participating, please contact us.

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