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  • ESSENCE Version 2.0: The Department of Defense's Worldwide Syndromic Surveillance System Receives Several Enhancements

    Content Type: Abstract

    ESSENCE receives and analyzes data for the Military Health System’s (MHS) 9 million beneficiaries resulting in approximately 90,000 daily outpatient and emergency department visits worldwide. In May 2008, MHS released … read more
    … 90,000 daily outpatient and emergency department visits worldwide. In May 2008, MHS released ESSENCE Version 2.0, a system-wide … laboratory results, disposition codes, reason for visit/chief complaints, vital sign data, and additional …
  • Evaluation of Body Temperature to Classify Influenza-Like Illness (ILI) in a Syndromic Surveillance System

    Content Type: Abstract

    This study aims to evaluate the sensitivity, specificity and Positive Predictive Value (PPV) of body temperature measurements > 100.5 žF in relationship to laboratory confirmation of influenza and other ILI pathogens.
    … only identifies individual aspects of the case definition may add excessive levels of unwanted noise to the system; … the use of ICD-9 codes and body temperature > 100.5o F may improve this yield. REFERENCES [1] Centers for Disease …