Skip to main content

Displaying results 569 - 576 of 857
  • Late Season Influenza-like Illness in Georgia: Prospective Detection of an Illness Cluster Using Emergency Department Syndromic Surveillance

    Content Type: Abstract

    This paper describes a cluster of influenza-like illness (ILI) prospectively identified through emergency department (ED) syndromic surveillance (SS).
    … using the Early Aberration Reporting System (EARS) [4]. E-mail alerts are generated by SendSS and distributed to all … District Epidemiol- ogist received a SendSS-generated e-mail alert indicating C1, C2, and C3 flags had been … in SendSS from WCHD hospitals. In response to the e- mail alert, the District Epidemiologist e-mailed the ICP at …
  • Radiographic Surveillance in Children: A System for Monitoring Epidemics Associated with Prominent Respiratory Symptoms

    Content Type: Abstract

    Yearly epidemics of respiratory diseases occur in children. Early recognition of these and of unexpected epidemics due to new agents or as acts of biological/chemical terrorism is desirable. In this study, we evaluate the ordering of chest… read more
    … ARIMA time series models that provided forecasts of daily visits and chest radiographs were specified. Disease … of competing models. RESULTS There were an average of 129 visits and 21 chest radiographs per day for 3,962 days … ARMA (2,1) model of daily chest radiographs with daily visits as a covariate. This model for the degree of …
  • Dual Monitoring of ILI Syndrome Using the ESSENCE System

    Content Type: Abstract

    The threat of terrorism and high-profile disease outbreaks has drawn attention to public health syndromic surveillance systems for early detection of natural or man-made disease events. In this sense, the Miami-Dade County Health… read more
    … the system generates the weekly percentage of ILI visits which is compared with a county baseline and … if it is necessary. Figure 1 – Daily plot of ILI ER visits in Miami-Dade County. Week 16, 2006 The second part … consists of a weekly comparison of percentage of ILI ER visits to ILI baseline and threshold lines for the …
  • Early Detection of Influenza-like Illness: Developing a Multi-Variate Approach

    Content Type: Abstract

    The 2003/04 influenza season included a more pathogenetic organism and had an earlier onset. There were noticeably more deaths in otherwise healthy children than in previous seasons. Following this season, States were asked by the Centers for… read more
    … chief complaints from hospital emergency department visits, school absentee reports, diagnostic laboratory reports, visits to physician’s offices, visits to Veterans Administration and Department of Defense …
  • Seasonal Patterns of Gastrointestinal Illness

    Content Type: Abstract

    Objective: To investigate seasonal patterns of gastrointestinal (GI) illness among children and adults.
    … 2001 to Oct 2005. Data were diagnoses for all hospital visits (ED, inpatient, observation). GI visits (N= 1,167,711) were selected by ICD-9 codes using … was significant. RESULTS In Figure 1, numbers of visits with a GI Dx are displayed as overlapping one-year …
  • Seasonal Patterns of Respiratory Diseases: a Proxy for Influenza?

    Content Type: Abstract

    One of the most important goals of disease surveillance is to identify the "what" and "when" of an epidemic. Influenza surveillance is made difficult by inconsistent laboratory testing, deficiencies in testing techniques, and coding… read more
    … 2001 to Oct 2005. Data were diagnoses for all hospital visits (ED, inpatient, observation). GI visits (N= 1,167,711) were selected by ICD-9 codes using … was significant. RESULTS In Figure 1, numbers of visits with a GI Dx are displayed as overlapping one-year …
  • The Impact of Hurricane Katrina Evacuees from Louisiana and Mississippi on Georgia Emergency Departments: Syndromic Surveillane and Disasters

    Content Type: Abstract

    On August 29, 2005, Hurricane Katrina made landfall just east of New Orleans, LA at 6:10AM CST and again at the LA/MS border at 10:00AM CST as a Category 3 hurricane, causing mass destruction along their coastlines. The devastation in LA and MS… read more
    … RESULTS There was a 7-fold increase in the rate of ED visits by LA and MS residents from the pre- to the post- … correlations were noted between the number of ED visits by individual zip codes and their racial, poverty, or … seen; however, a >2.5-fold increase in medication refill visits was observed (Table). Several spatial- and …
  • An Adaptive Anomaly Detection Algorithm

    Content Type: Abstract

    Ideal anomaly detection algorithms shoulddetect both sudden and gradual changes, while keeping the background false positive alert rate at a tolerable level. The algorithms should also be easy to use. Our objective was to develop an anomaly… read more
    … C2 or C3 alert. The test data were time series of daily visits from two emergency departments (ED) for two … with the usual 2.0 cut-off for two EDs. ORIGINAL GI DAILY VISITS, ~19 MONTHS, ED1 GI 4-DAY OUTBREAKS ROC COMPARISON …