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Volume 13, Number 2—February 2007

Research

Code-based Syndromic Surveillance for Influenzalike Illness by International Classification of Diseases, Ninth Revision

Nicola Marsden-Haug*1, Virginia B. Foster*, Philip L. Gould†, Eugene Elbert*2, Hailiang Wang*, and Julie A. Pavlin*3Comments to Author 
Author affiliations: *Walter Reed Army Institute of Research, Silver Spring, Maryland, USA; †Air Force Institute for Operational Health, Brooks City Base, Texas, USA;

Main Article

Figure 4

Percentage of visits for influenza-like illness (ILI) using both the large and small syndrome groups among military outpatient visits nationwide compared with Centers for Disease Control and Prevention (CDC) sentinel clinician reports from October 2001 through December 2004. Data are grouped weekly from Sunday through Saturday. CDC data are only obtained during the influenza season. ESSENCE, Electronic Surveillance System for the Early Notification of Community-based Epidemics.

Figure 4. Percentage of visits for influenza-like illness (ILI) using both the large and small syndrome groups among military outpatient visits nationwide compared with Centers for Disease Control and Prevention (CDC) sentinel clinician reports from October 2001 through December 2004. Data are grouped weekly from Sunday through Saturday. CDC data are only obtained during the influenza season. ESSENCE, Electronic Surveillance System for the Early Notification of Community-based Epidemics.

Main Article

1Current affiliation: Tacoma–Pierce County Health Department, Tacoma, Washington, USA

2Current affiliation: US Census Bureau, Suitland, Maryland, USA

3Current affiliation: Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA

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