Displaying results 1 - 4 of 4
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Increase in Pneumonia Cases as an Early Indicator of Severe and Pandemic Influenza Outbreak
Content Type: Abstract
Objective To enable the early detection of pandemic influenza, we have designed a system to differentiate between severe and mild influenza outbreaks. Historic information about previous pandemics suggested the evaluation of two… read more… and can be diagnosed immediately in a physician office visit, while a confirmed influenza diagnosis requires a … and can be diagnosed immediately in a physician office visit, while a confirmed influenza diagnosis requires a … outpatient office and hospital emergency room (ER) visits in selected counties in Virginia and Maryland, and … -
The Tradeoffs Driving Policy and Research Decisions in Biosurveillance
Content Type: Abstract
Every public health monitoring operation faces important decisions in its design phase. These include information sources to be used, the aggregation of data in space and time, the filtering of data records for required… read more… alerting methods, we used 3 years of outpatient clinic visit data in which records were classified by syndrome and … -
Hybrid Probabilistic Modeling and Automated Data Fusion for Biosurveillance Applications
Content Type: Abstract
The increased threat of bioterrorism and naturally occurring diseases, such as pandemic influenza, continually forces public health authorities to review methods for evaluating data and reports. The objective of bio-surveillance is to automatically… read more… chief complaints, ICD-9 diagnosis codes, physician office visits, and pharmacy data. In addition, information such as … -
Linking Public Health and Healthcare Data for Syndromic Surveillance
Content Type: Abstract
A number of syndromic surveillance systems include tools that quickly identify potentially large disease outbreak events. However, the high falsepositive rate continues to be a problem in all of these systems. Our earlier work… read more… in the patient encounter dataset, same day office visits corresponded well with the flu epidemic curve. …