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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Comparison of heat-related health effects across regions or among different syndromic surveillance systems is problematic due to the lack of a standardized heat-related syndrome definition. While a national standard for common heat-related syndromes would facilitate data comparisons, local... Read more

Content type: Abstract

Information is imperative to detecting and intervening in a disease outbreak, but the enormous amount of information that public health leaders must sift through can become overwhelming and obstructive. In the disease outbreak environment, it is imperative to understand which sources of... Read more

Content type: Abstract

In 2002, the United States (US) Centers for Disease Control and Prevention (CDC) launched the National Environmental Public Health Tracking Program (Tracking Program) to address the challenges in environmental health surveillance described by the Pew Environmental Commission (1). The report... Read more

Content type: Abstract

One of the key questions in health economics is what is the direction of causality: does poverty cause poor health outcomes; does low education cause poor health outcomes; does poor health result in lack of productivity; does poor health cause poor educational and income outcomes; and how is... Read more

Content type: Abstract

Statutory veterinary disease surveillance generally focuses on food animals with only minimal resources committed to companion animals. However, the close contact between owners and pets suggests that disease surveillance in these species could benefit both animal and human health.

... Read more

Content type: Abstract

The International Health Regulations (2005) came into effect in 2007 and mandate that each signatory country be capable of detecting, analyzing, reporting, and responding to a public health event of international concern by 2012. Some countries are capable of this at present, but these are... Read more

Content type: Webinar

Pneumonia, an infection of the lung due to bacterial, viral or fungal pathogens, is a significant cause of morbidity and mortality worldwide. In the past few decades, the threat of emerging pathogens presenting as pneumonia, such as Severe Acute Respiratory Syndrome, avian influenza A(H5N1) and... Read more

Content type: Abstract

The PLOS Disease Forecasting and Surveillance Channel debuted on November 28, bringing together two related but distinct research communities – disease forecasting and syndromic surveillance. The Channel features research and commentary from PLOS journals and the broader literature. Explore... Read more

Content type: Surveillance Tools and Systems

New York City ED syndromic surveillance data uses SaTScan to detect spatial signals. SaTScan analysis has been integrated into SAS since 2002, and signal maps have been generated from SAS since 2003. Signal maps are created occasionally to investigate a severe outbreak based on the SaTScan... Read more

Content type: Abstract

On August 20th and 21st, 2007, Ohio sustained heavy rains which resulted in severe flooding over a nine-county area in the north-central part of the state. Increased hospital emergency department (ED) visits were expected for gastrointestinal illnesses, but this was not observed. After a media... Read more

Content type: Abstract


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National Syndromic
Surveillance Program


The National Syndromic Surveillance Program (NSSP) is a collaboration among states and public health jurisdictions that contribute data to the BioSense Platform, public health practitioners who use local syndromic surveillance systems, Center for Disease Control and Prevention programs, other federal agencies, partner organizations, hospitals, healthcare professionals, and academic institutions.

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