Welcome to the Surveillance Knowledge Repository

Click on a topic under the Key Topic Areas section in the left column, then select a resource  from the list of resources that appear for that topic. You may also search for specific topics by entering one or more keywords in the Search bar. You can filter the search results by Content Type, Year, or Author Name.


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Over 300 independent practices transmit monthly quality reports to a data warehouse using an automated process to summarize patient information into quality measures. All practices have implemented an EHR that captures clinical information to be aggregated for population reporting, and is... Read more

Content type: Abstract

Effective and valid surveillance of syndromes can be extremely useful in the early detection of outbreaks and disease trends. However, medical chart checks without patient identifiers and lack of diagnoses in A08 data has made validation difficult. With the rising availability of electronic... Read more

Content type: Abstract

The Veterans Affairs (VA) ESSENCE obtains electronic health record data from 152 medical centers plus clinics in all 50 states, U.S. territories, and the Philippines. ESSENCE analyzes ICD-9 diagnosis codes and demographic data from outpatient and emergency department visits using complex... Read more

Content type: Abstract

During the 2009 H1N1 influenza pandemic, the Washington State Department of Health (DOH) temporarily made lab-confirmed influenza hospitalizations reportable. Reporting of influenza hospitalizations is resource intensive for hospitals and local health jurisdictions. As a result, electronic... Read more

Content type: Abstract

National Health IT Initiatives are helping to advance the state of automated disease surveillance through incentives to health care facilities to implement electronic medical records and provide data to health departments and use collaborative systems to enhance quality of care and patient... Read more

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Although development of computerized medical record systems in the United States is a high priority, there are relatively few instances of such systems supporting disease surveillance systems. The Indian Health Service (IHS) has had an electronic record database for over 30 years, however,... Read more

Content type: Abstract

Using an electronic health record (EHR) system, we tracked an outpatient population from a series of primary care providers to identify influenza-like illness (ILI) as part of a multi-state effort directed by the Centers for Disease Control and Prevention. From these patients, we also collected... Read more

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Multiple options (1,2) are available for health care provider organizations to receive assistance in demonstrating compliance with meaningful use requirements for public health reporting (3). A certified EHR solution is a requirement for participation in these programs; vast majority of health... Read more

Content type: Abstract

Electronic laboratory reporting (ELR) was demonstrated just over a decade ago to be an effective method to improve the timeliness of reporting as well as the number of reports submitted to public health agencies. The quality of data (inc. completeness) in information systems across all... Read more

Content type: Abstract

EHRs are increasingly being adopted to improve quality of care in health care systems, but they also have potential to monitor health at the population level. There has been relatively little focus on using EHRs for population health surveillance beyond infectious diseases. Current tools to... Read more

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