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Volume 21, Number 7—July 2015

Assessment of Arbovirus Surveillance 13 Years after Introduction of West Nile Virus, United States1

James L. HadlerComments to Author , Dhara Patel, Roger S. Nasci, Lyle R. Petersen, James M. Hughes, Kristy Bradley, Paul Etkind, Lilly Kan, and Jeffrey Engel
Author affiliations: Yale University School of Public Health, New Haven, Connecticut, USA (J.L. Hadler); Council of State and Territorial Epidemiologists, Atlanta, Georgia, USA (D. Patel, J. Engel); Centers for Disease Control and Prevention, Fort Collins, Colorado, USA (R.S. Nasci, L.R. Petersen); Emory University School of Medicine, Atlanta (J.M. Hughes); Oklahoma State Department of Health, Oklahoma City, Oklahoma, USA (K. Bradley); National Association of County and City Health Officials, Washington, DC, USA (P. Etkind, L. Kan)

Main Article

Table 2

States with laboratory capacity to support WNV and other arboviral surveillance activities, United States, 2004 and 2012*

Laboratory capacity
No. responding states (% with activity)
% Difference from 2004 to 2012
Have some in-state capacity for WNV testing
50 (92)

Human surveillance
Test for IgG 46 (48) 47 (72) −24
Test for IgM 46 (93) 47 (100) −7
Test by culture 46 (2) 47 (19) −17
Test by PCR 46 (13) 47 (49) −36
Test by PRNT 46 (22) 47 (21) +1
Test all CSF specimens submitted for WNV for ≥1 other arbovirus
43 (60)

Avian surveillance
Test by culture 46 (4) 47 (13) −9
Test by PCR 46 (39) 47 (77) −38
Test IgG or IgM 46 (11) 47 (9) +2
Test by any of above methods
46 (43)
47 (77)
Mosquito surveillance
In-state capacity to test mosquitoes (state or local level) 50 (84) NA
Testing for >1 other arbovirus 42 (81) NA
Culture or PCR 42 (81) 47 (81) 0
Vec Test or RAMP 42 (19) 47 (21) −2

*WNV, West Nile virus; –, not asked; NA, not applicable; PRNT, plaque reduction neutralization test; CSF, cerebrospinal fluid; Vec Test, vector test; RAMP, rapid analyte measurement platform.

Main Article

1A shorter version of this report has been published previously (1).

Page created: June 12, 2015
Page updated: June 12, 2015
Page reviewed: June 12, 2015
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