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

Most Common Enteroviruses and Parechoviruses Reported in the U.S., 2014-2016

Most Common Enteroviruses and Parechoviruses Reported in the U.S.
Enterovirus Percentage of Positive Specimens
1 Enterovirus D68 55.9% of specimens
2 Echovirus 30 5.8% of specimens
3 Coxsackievirus A6 5.5% of specimens
4 Echovirus 18 4.2% of specimens
5 Coxsackievirus B3 4.0% of specimens
6 Echovirus 9 2.4% of specimens
7 Echovirus 11 2.3% of specimens

For more information about the most recent enterovirus data, see CDC MMWR Enterovirus and parechovirus surveillance, United States, 2014–2016.

NESS Sites

Data Collection

CDC national enterovirus surveillance system, or NESS, clinicians

NESS accepts electronic reports of enterovirus and parechovirus typing results. If your laboratory is interested in participating, please contact us.

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If you have questions about data collected, trends graphed, or labs participating, please contact us.

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