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Displaying results 193 - 200 of 857
  • Traveling Epidemic Waves in Biosurveillance Data: Identifying Early Hotspots of Respiratory Illness

    Content Type: Abstract

    We have previously shown that timeliness of detection is influenced both by the data source (e.g., ambulatory vs. emergency department) and demographic characteristics of patient populations (e.g., age). Because epidemic waves are thought to… read more
    … may affect disease susceptibility and hence timing of visits. Here, we describe spatial models of local … may affect disease susceptibility and hence timing of visits. Here, we describe spatial models of local … referral bias by including the likelihood of a hospital visit based on the market share of a zip code. The model …
  • Using influenza rapid test positivity as an early indicator for the onset of seasonal influenza

    Content Type: Abstract

    Influenza causes significant morbidity and mortality, with attendant costs of roughly $10 billion for treatment and up to $77 billion in indirect costs annually. The Centers for Disease Control and Prevention conducts annual… read more
    … since 2002, collecting data on outpatient visits for influenza-like illness (ILI, defined as fever of … surveillance since 2002, collecting data on outpatient visits for influenza-like illness (ILI, defined as fever of … were those who: (1) had a measured temperature at the visit of at least 100F, and (2) had a ‘reason for visit’ …
  • Using influenza rapid test positivity as an early indicator for the onset of seasonal influenza

    Content Type: Abstract

    Influenza causes significant morbidity and mortality, with attendant costs of roughly $10 billion for treatment and up to $77 billion in indirect costs annually. The Centers for Disease Control and Prevention conducts annual influenza… read more
    … surveillance since 2002, collecting data on outpatient visits for influenza-like illness (ILI, defined as fever of … surveillance since 2002, collecting data on outpatient visits for influenza-like illness (ILI, defined as fever of … were those who: (1) had a measured temperature at the visit of at least 100F, and (2) had a ‘reason for visit’ …
  • Challenges of introducing disease surveillance technology in developing countries: experiences from India and Sri Lanka

    Content Type: Abstract

    Modern information and communication technologies have increasingly prominent roles in health care systems. To capitalize on attainable benefits, it is essential to thoroughly and purposefully weave them into the existing business … read more
    … Lab, Carnegie Mellon University, Pittsburgh, PA, USA E-mail: chamindusampath@gmail.com Objective We review challenges faced during the … to transfer paper records of outpatient visits to a central database. Data are then analyzed using …
  • Emergency Department Surveillance of Alcohol-Related Violence and Injuries to Enable Event Monitoring and Management

    Content Type: Abstract

    Syndromic surveillance has been used been used as method of surveillance for various events in recent years. For example, post September 11th, 2001 anthrax attacks in New York City, World Youth Day in Toronto 2002, Salt Lake City 2002 Olympics,… read more
    … 2005.   Objective Historical Emergency Department (ED) visits were examined to characterize ED utilization for the … ON Canada OBJECTIVE Historical Emergency Department (ED) visits were exam- ined to characterize ED utilization for … alerts). All - s_homecoming Figure 1– EARS graph of ED visit volumes for Homecoming syndrome – Queen’s University …
  • Comparison of the US outpatient influenza-like illness surveillance network and the Google Flu Trends from 2008 to 2010

    Content Type: Abstract

    http://Google.org developed a regression model that used the volume of influenza-related search queries best correlated with the proportion of outpatient visits related to influenza-like illness (ILI) model to estimate the level of ILI… read more
    … queries best correlated with the proportion of outpatient visits related to influenza-like illness (ILI) model to … report weekly ILI activity as the percentage of patient visits to health care providers for ILI from the total number patient visits for the week. Estimates of ILI in 121 cities …
  • Data Requests for Research: Best Practices based on the NC DETECT Experience

    Content Type: Abstract

    The North Carolina Division of Public Health (NC DPH) has been collecting emergency department data in collaboration with the Carolina Center for Health Informatics in the UNC Department of Emergency Medicine since 1999. As of August 2011, there are… read more
    … NC population and captures approximately 4.5 million ED visits each year. As a result, requests for data from … NC population and captures approximately 4.5 million ED visits each year. As a result, requests for data from … tick-borne illness and asthma, and comparison of NC ED visit data to national data, among others. Because the ED …
  • Arizona Sonora Binational Cases: five years of surveillance

    Content Type: Abstract

    Infectious diseases can spread across borders. The Arizona Department of Health Services (ADHS) collects information on binational infectious disease cases and shares it with Mexico. Infectious disease investigation in Arizona is enhanced by using… read more
    … using the Arizona’s Health Services Portal and secure e-mail accounts for confidential communication between both … using the Arizona’s Health Services Portal and secure e-mail accounts for confidential communication between both …