نتایج جستجو برای: outbreak detection
تعداد نتایج: 605966 فیلتر نتایج به سال:
A campylobacteriosis outbreak investigation provides relevant examples of how two web-based technologies were used in an outbreak setting and potential reasons for their usefulness. A web forum aided in outbreak detection and provided contextual insights for hypothesis generation and questionnaire development. An online questionnaire achieved a high response rate and enabled rapid preliminary d...
Objective We present Multidimensional Subset Scan (MD-Scan), a new method for early outbreak detection and characterization using multivariate case data from individuals in a population. MD-Scan extends previous work on multivariate event detection by identifying the characteristics of the affected subpopulation, and enables more timely and accurate detection while maintaining computational tra...
background: the outbreaks of foodborne diseases is a major health problem and occur daily in all countries, from the most to the least developed. this study is the first report of foodborne outbreaks in iran that carried out from 2006 to 2011. methods: a retrospective, longitudinal study carried out using foodborne disease national surveillance system data from 2006-2011, which have been report...
BACKGROUND Fifty-eight syphilis cases were notified from Darkhan-Uul Province in the first three months of 2012, which is double that of the same period in 2011. The objective of this investigation was to confirm the existence of the outbreak, examine the risk factors of cases and develop recommendations to prevent further spread. METHODS We conducted a descriptive study of cases notified to ...
INTRODUCTION There is interest in surveillance systems for outbreak detection at stages where clinical presentation would still be undifferentiated. Such systems focus on detecting clusters of syndromes in excess of baseline levels, which may indicate an outbreak. We model the detection limits of a potential system based on primary care consults for the detection of an outbreak of severe acute ...
The merits of One Health have been thoroughly described in the literature, but how One Health operates in the United States federal system of government is rarely discussed or analyzed. Through a comparative case-study approach, this research explores how federalism, bureaucratic behavior, and institutional design in the United States may influence zoonotic disease outbreak detection and report...
Introduction Early detection of influenza outbreaks is critical to public health officials. Case detection is the foundation for outbreak detection. Previous study by Elkin el al. demonstrated that using individual emergency department (ED) reports can better detect influenza cases than using chief complaints [1]. Our recent study using ED reports processed by Bayesian networks (using expert co...
Methods: This study decomposes existing temporal aberration detection algorithms into two sequential stages and investigates the individual impact of each stage on outbreak detection performance. The data forecasting stage (Stage 1) generates predictions of time series values a certain number of time steps in the future based on historical data. The anomaly measure stage (Stage 2) compares feat...
BACKGROUND The ability to detect disease outbreaks in their early stages is a key component of efficient disease control and prevention. With the increased availability of electronic health-care data and spatio-temporal analysis techniques, there is great potential to develop algorithms to enable more effective disease surveillance. However, to ensure that the algorithms are effective they need...
4. OUTBREAK DETECTION 4.1. Type of surveillance Passive or Active Surveillance Comprehensive or Sentinel Surveillance Syndromic or Laboratory-Based Surveillance Indicator-Based or Event-Based Surveillance Entomological Surveillance Monitoring of Environmental and Social Risks 4.2. Surveillance procedures Case-definition Notification procedures 4.3. Type of signal Alert signal ...
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