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Monitoring Influenza Activity Using the BioSense System, 2003-2005
Content Type: Abstract
One of the standard approaches to public health surveillance for influenza is to monitor the percent of visits to about 2000 sentinel physicians for influenza-like illness (%ILI; fever plus cough or sore throat). The BioSense System currently… read more… an independent predictor. Principal components analysis did not identify any combinations of ICD-9 codes that were better predictors of %ILI. Analyses of lagged data did not show stronger correlations, indicating that seasonal …