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Displaying results 9 - 15 of 15
  • The Evolution of ESSENCE

    Content Type: Abstract

    In development for over fourteen years, ESSENCE is a disease surveillance system utilized by public health stakeholders at city, county, state, regional, national, and global levels. The system was developed by a team from the Johns Hopkins… read more
    … sponsors, numerous collaborators, perceptive users and all of the dedicated members of the ESSENCE team. References … permitting all non-commercial use, distribution, and reproduction in … ehtj11115 ehtj11120 ehtj11024 ehtj11060 ehtj11110 26-50 ehtj11034 ehtj11198 ehtj11174 ehtj11048 ehtj11154 …
  • Diagnosis Coding Anomalies Resulting in Hemorrhagic Illness Alerts in Veterans Health Administration Outpatient Clinics

    Content Type: Abstract

    The Veterans Health Administration (VHA) operates over 880 outpatient clinics across the nation. The Johns Hopkins Applied Physics Laboratory’s Electronic Surveillance System for the Early Notification of Community-Based Epidemics (ESSENCE) utilizes… read more
    … Alerts in.pdf 6 views Submitted by elamb on Tue, 03/26/2019 - 16:22 … speci- fied (NOS), thrombocytopathy, and coagulation de- fect NOS). METHODS A total of 72055 occurrences of outpatient clinic di- agnosis codes falling into the HI category for a three- …
  • Classification of Emergency Department Syndromic Data for Seasonal Influenza Surveillance

    Content Type: Abstract

    We evaluated several classifications of emergency department (ED) syndromic data to ascertain best syndrome classifications for ILI.
    … through 4/28/2007 and excluded one hospital that did not provide ED chief com- plaints. The weekly number of … including data from the diagnosis, where available, did not consistently improve the SNR. The correlation with … of the “CCFEVER” and “ANYFE- VER” categories, which did not lag behind RA. Us- ing an algorithm that switches …
  • Incorporating Water Security into Syndromic Surveillance

    Content Type: Abstract

    Although rare in the US, the CDC reports 13-14 drinking-water-related disease outbreaks per year, affecting an average of about 1000 people. The US EPA has determined that the distribution system is the most vulnerable component… read more
    … 5 views Submitted by elamb on Tue, 03/26/2019 - 16:22 … system sectors that have similar water characteristics de- pending on the hydrostatic pressure and distance from … Health and WQ BBNs to assess the degree of belief that de- graded WQ is or is not associated with illnesses. The …
  • Support Vector Machines for Syndromic Surveillance

    Content Type: Abstract

    Early and reliable detection of anomalies is a critical challenge in disease surveillance. Most surveillance systems collect data from multiple data streams but the majority of monitoring is performed at univariate time series… read more
    … con- sists of: 1) Learning the model of normalcy; 2) De- tecting anomalies based on their dissimilarity from …
  • Essential Requirements for Effective Advanced Disease Surveillance

    Content Type: Abstract

    Advanced surveillance systems require expertise from the fields of medicine, epidemiology, biostatistics, and information technology to develop a surveillance application that will automatically acquire, archive, process and present data to the user… read more
    … tra- ditionally relies on diagnosis, must be altered to de- velop an interpretation of less specific health indica- … tools must take into ac- count the normal deviations of all of the variables that comprise the background for the … and evidence-based decisions. Combining the trends of all available indicators can provide and earlier …
  • Evaluating Pandemic Influenza Surveillance and Response Systems in Developing Countries: Framework and Pilot Application

    Content Type: Abstract

    A pandemic caused by influenza A/H5N1 or another novel strain could kill millions of people and devastate economies worldwide. Recent computer simulations suggest that an emerging influenza pandemic might be contained in Southeast Asia through rapid… read more
    … Systems in.pdf 4 views Submitted by elamb on Tue, 03/26/2019 - 16:22 … influ- enza emergence and response appropriate for a de- veloping country to identify behavioral and public …