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Displaying results 185 - 192 of 218
  • Florida Department of Health Syndromic Surveillance Identifies Unreported Cases of Zika Virus Disease, 2016–2017

    Content Type: Success Stories

    Zika virus disease became a significant public health problem in Brazil in 2015 and quickly spread to other South American and Central American countries. While not an overly severe illness for many, Zika virus disease has been shown to increase the… read more
    … (7), 17 Zika virus disease cases were identified using ESSENCE*–FL. These visits were not reported to public health … (7), 17 Zika virus disease cases were identified using ESSENCE*–FL. These visits were not reported to public health …
  • Utilization of Public Health Surveillance Data for Early Detection of Drinking Water Contamination

    Content Type: Abstract

    The United States Environmental Protection Agency (U.S. EPA) has developed a prototype contamination warning system (CWS) for drinking water in response to Homeland Security Presidential Directive 9 (HSPD9). The goal of HSPD9 and the CWS is to… read more
    … health departments. The EPA is working with RODS and ESSENCE to enhance capabilities to detect a drinking water …
  • 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.
    … For each of ten codes used to profile the ILI syndrome in ESSENCE (the Department of Defense’s syndromic surveillance …
  • The NGram CC Classifier: A Novel Method of Automatically Creating CC Classifiers Based on ICD9 Groupings

    Content Type: Abstract

    Syndromic surveillance of emergency department (ED) visit data is often based on computer algorithms which assign patient chief complaints (CC) to syndromes. ICD9 code data may also be used to develop visit classifiers for syndromic surveillance but… read more
    … visits). We used as our ICD9 classifier an existing ESSENCE filter for “lower GI” modified by removing …
  • Using NLP on VA Electronic Medical Records to Facilitate Epidemiologic Case Investigations

    Content Type: Abstract

    A major goal of biosurveillance is the timely detection of an infectious disease outbreak. Once a disease has been identified, another very important goal is to find all known cases of the disease to assist public health… read more
    … the first stage, we used structured data and BioSense and ESSENCE ICD 9 codes on records during the study period …
  • Utilizing Emergency Department Data to Evaluate Primary Care Clinic Hours

    Content Type: Abstract

    In addition to utilizing syndromic surveillance data to respond to public health threats and prepare for major incidents, local health departments can utilize the data to examine patient volumes in the emergency departments (EDs) of… read more
    … hours’ impact on ED use. METHODS All 2007 ED visits from ESSENCE for the urban public hospital were analyzed for …
  • Using Syndromic Data to Examine Flooding

    Content Type: Success Stories

    Wisconsin experienced severe flooding from August 17 to September 20, 2018. This flood caused an estimated $232 million in damage and affected 21 counties. Floods can have negative health impacts on a population, such as increased skin infections,… read more
    … used the Early Notification of Community based Epidemics (ESSENCE), a tool within BioSense, to track flood-related … disasters and disease outbreaks are being set up through ESSENCE. There is an effort to get more DHS employees signed … available (not yet explored) • Syndromic Surveillance – ESSENCE – Updated nightly – Rapid surveillance option …
  • Systematic Comparison of Algorithms Used in Syndromic Surveillance

    Content Type: Abstract

    Varied approaches have been used by syndromic surveillance systems for aberration detection. However, the performance of these methods has been evaluated only across a small range of epidemic characteristics.   Objective… read more
    … Weighted Moving Average (EWMA) algorithms used by the ESSENCE system [3], with smoothing constants of 0.4 and 0.9; …