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Code-based syndromic surveillance for influenzalike illness by International Classification of Diseases, Ninth Revision.(RESEARCH)

From: Emerging Infectious Diseases  |  Date: 2/1/2007  |  Author: Elbert, Eugene; Foster, Virginia B.; Gould, Philip L.; Marsden-Haug, Nicola; Pavlin, Julie A.; Wang, Hailiang

With the spread of avian influenza, use of automated data streams to rapidly detect and track human influenza cases has increased. We performed correlation analyses to determine whether International Classification of Diseases, Ninth Revision (ICD-9), groupings used to detect influenzalike illness (ILI) within an automated syndromic system correlate with respiratory virus laboratory test results in the same population (r = 0.71 or 0.86, depending on group). We used temporal and ...

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