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  • The Day-of-the-Week Effect: A Study Across the Indiana Public Health Emergency Surveillance System

    Content Type: Abstract

    Complex, highly parameterized data models are often used to detect syndromic outbreaks. Unfortunately, such models can pose greater maintenance challenges as parameter variations increase. As such, our work focuses on whether day… read more
    … cations of chief complaint as well as the total daily visits. To compare across hospitals, we normalized the … or insignificantly across data sources. We found that visit rates by syndrome varied significantly by DoW Further, …
  • Syndromic Surveillance and Heat Wave: Is it Working?

    Content Type: Abstract

    Most of the time, health consequences of heat waves are serious. Heat wave response plans were developed for reducing health effects but even if they are very efficient it is not possible to eliminate all health consequences.… read more
    … through the Internet. Items collected for each patient visit included the diagnosis code according to ICD10, … Based on the same age groups, the daily means of patient visits and hospitalized patients were calcu- lated. The … “on alert period”. During the “on alert period”, 4,557 visits per day were recorded vs. 4,511 during the “off alert …
  • Using Public School Absentee Data to Enhance Syndromic Surveillance in Miami-Dade County, 2007

    Content Type: Abstract

    The Miami-Dade County Health Department currently utilizes Emergency Department based Syndromic surveillance data, 911 Call Center data, and more recently Public School Absenteeism data. Daily monitoring of school absenteeism… read more
    … hours of 6:00 p.m. to 11:00 p.m.; 36.3% (74 of 204) of visits to the ED among 0-17 year olds had a chief complaint … 11:00 p.m., March 11th and 12th. This apparent delay to visit the ED may signal that the GI illness was not severe …
  • Privacy Protection versus Cluster Detection in Spatial Epidemiology

    Content Type: Abstract

    With the widespread deployment of near real time population health monitoring, there is increasing focus on spatial cluster detection for identifying disease outbreaks. These spatial epidemiologic methods rely on knowledge of patient location to… read more
    … tions, significant clusters contained fewer additional ED visit points (i.e., points that were not part of the … in small circle) and few additional points from the ED visits (red dots outside small circle). However, when the … with points at zip code centroids (right), many more ED visits were included in the detected cluster. CONCLUSIONS …
  • Use of Surveillance Data to Measure the Impact of Viral Infections among Young Children

    Content Type: Abstract

    Respiratory viruses cause substantial morbidity and costly resource utilization among young children, especially during the winter months. Accurate estimates of the impact of these viruses are important in guiding prevention efforts… read more
    … extrapolation to calculate population- based rates of ED visits for influenza and RSV and associated resource … The effect of influenza on hospitalizations, outpatient visits, and courses of antibiotics I nchildren. N Engl J … admission 0.9 (0.4, 1.9) 11.8 (9.3, 14.9) Primary care visit 4.8 (3.7, 6.3) 23.2 (20.1, 26.6) Antibiotic use 3.1 …
  • HL7 Version 2.5.1 PHIN Messaging Guide for Syndromic Surveillance: Emergency Department, Urgent Care and Inpatient Settings, Release 2.0, NIST Clarifications and Validation Guidelines, Version 1.5 (July 2016)

    Content Type: Messaging Standard

    This document lists conformance testing issues and associated policies derived by NIST, in collaboration with the CDC, based on a review of the HL7 Version 2.5.1 PHIN Messaging Guide for Syndromic Surveillance: Emergency Department, Urgent Care,… read more
    … added regarding OBX-5.4, OBX-5.5, OBX-5.6 in Facility/Visit Type OBX segment with CWE in OBX-2 for messages in the SS-UC-1_UC_Visit_Influenza_Child Test Case July 19, 2016 NIST … surveillance, SHALL have the same value for PV1- 19.1 (Visit ID). The NIST test tool will not test conformance …
  • Syndromic Surveillance to Monitor Wildfire Events

    Content Type: Success Stories

    In recent years, Washington State has experienced episodes of degraded air quality from wildfires burning within the state, as well as surrounding states and provinces. Wildfire smoke, particularly the high concentrations of small particulate matter… read more
    … across the state (maximum and average), total ED visit volume, respiratory effects (e.g., general, asthma, … were removed. For example, timeseries of daily visit counts were converted to visit percent in order to remove the appearance of increases … maximum PM2.5 and smoke-related emergency department visit counts in Washington State. …
  • BioSense Platform Admin Tool Requirements Discussion

    Content Type: Webinar

    The BioSense Platform features a tool giving site administrators control over how their data are shared. Thanks to a workgroup the BioSense Governance Group convened last year, CDC now has a good idea of what data-sharing capabilities users want in… read more
    … aggregate data across borders !  BioSense provides visit-level access !  Regions need ability to view patients … seen in another state facility (without sharing visit-level data with entire jurisdiction) Fully … •  Functional Requirements Table !  For(more(informa2on,(visit(the( Public(Health(Informa2cs(Ins2tute(website( …