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  • Using Online Applications with R to Share Surveillance Data

    Content Type: Success Stories

    Since 2009, the Cook County Department of Public Health (CCDPH) has created and disseminated weekly surveillance reports to share seasonal influenza data with the community and our healthcare partners. Surveillance data is formatted into tables and… read more
    … is based on: o The proportion of emergency department visits for ILI was 6.24%, above the regional baseline of … for three weeks. o The proportion of outpatient provider visits for ILI was 4.42%, above the regional baseline of … complex of fever and cough or sore throat. ILI = # of ED visits for ILI / total # of ED visits. 2. Data extracted …
  • A Comparison of Locally Developed Influenza-like Syndrome Definitions Using Electronic Emergency Department Data in Boston and New York City

    Content Type: Abstract

    To compare locally-developed influenza-like syndrome definitions (derived from emergency department (ED) chief complaints) when applied to data from two ISDS DiSTRIBuTE Project participants: Boston and New York City (NYC) [1].
    … daily from 10 of 10 EDs in the city of Boston (avg daily visits ~ 1300). The NYCDOHMH collects data daily from 50 of 61 (82%) EDs in NYC representing 94% of all ED visits (avg daily visits ~ 10,000). Each department uses both a broad (more …
  • Evaluating the utility of school absenteeism during the 2009–2010 influenza season in Los Angeles County

    Content Type: Abstract

    It has been postulated that school absenteeism, a non-traditional surveillance data source, may allow for early detection of disease outbreaks, particularly among school-aged children who may not seek emergency medical attention… read more
    … cited. Figure 1 Percent School Absenteeism and ILI ED visits by School Age Groups in Los Angeles County. Emerging … influenza-like illness emergency depart- ment (ILI ED) visits by ages 5–17 and (2) over-the-counter cough/cold … schools (p =0.06). Figure 1 shows the number of ILI ED visits, which peaked in early November for both elementary/ …
  • 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 …
  • Event Detection in a Vulnerable Population

    Content Type: Abstract

    The City of Atlanta, volunteer organizations, and the faith community operate several homeless shelters throughout the city. Services available at these shelters vary, ranging from day services, such as meals, mail collection,… read more
    … generated for the bloody respira- tory syndrome for ED visits on Sunday, March 11 Further inspection of these alerts revealed 8 ED visits for this syndrome statewide. Six of these were from … code (Figures 1 and 2). This was the highest number of ED visits for bloody respiratory illnesses recorded at a single …
  • 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 …