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Enterovirus Surveillance -- United States, 1986

Reports of 54 nonpolio enterovirus (NPEV) isolates identified in March through May 1986 were received from state virology laboratories. Echovirus 4 was isolated most frequently (18/54), followed by coxsackievirus B5 (12 isolates), coxsackievirus B3 (six), coxsackievirus B2 (five), and coxsackievirus B4, echovirus 7, and echovirus 11 (three each). In 1985, the six most common NPEV isolates were echovirus 11 (217 of the 1,817 isolates), echovirus 21 (215), echovirus 6 and 7 (187 each), coxsackievirus B2 (134), and coxsackievirus B4 (113). These latter six NPEV types represented 58% of the total enterovirus isolates reported for 1985. Reported by state virology laboratory directors; Respiratory and Enterovirus Br, Div of Viral Diseases, Center for Infectious Diseases, CDC.

Editorial Note

Editorial Note: A retrospective study of CDC's NPEV surveillance data shows that isolates from March through May predict the types likely to be isolated in July through December, which includes the peak enterovirus season (1). The six most common isolates in March through May accounted for an average of 59% of the isolates detected in July through December each year. In 1985, they accounted for 57% of the isolates in July through December. The reports of early 1986 isolates suggest that echoviruses 4, 7, and 11 and coxsackieviruses B2, B3, B4, and B5 are likely to be common NPEV isolates this year. All of the top six isolates reported so far this year, and five of the top six isolates reported in 1985, were in the top 15 most frequent isolates for 1970-1983 (1).


  1. Strikas RA, Anderson LJ, Parker RA. Temporal and geographic patterns of isolates of nonpolio enterovirus in the United States, 1970-1983. J Infect Dis 1986;153:346-51.

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