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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The recent focus on the 'One Medicine' concept has resulted in an increased awareness that the control of diseases in animal populations, whether zoonotic or not, can be of great public health importance. Zoonotic and foodborne diseases represent an immediate threat to the health of human... Read more

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Situational awareness is important for both early warning and early detection of a disease outbreak, and analytics and tools that furnish information on how an infectious outbreak would either emerge or unfold provide enhanced situational awareness for decision makers/analysts/public health... Read more

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Legionellosis is a respiratory disease that can lead to serious illness such as pneumonia, and can even result in death. Since 2010, increased reports of legionellosis have been received in Toronto during the summer months and led to a five-fold increase by 2012. This underscored the need to... Read more

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OSS is rapidly becoming part of more public health applications. Mobile health (mHealth) initiatives and the need for electronic processes to support healthcare (eHealth) provide particularly good examples of government use of open source software. The growth of global and national mHealth and... Read more

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Symptoms of influenza-like illness (ILI) were reported daily by health workers via the integrated syndromic surveillance system in rural China (ISSC)(1).


To analyze the growth and variation of ILI reports using individual growth curve model.

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The Influenza Division (ID) in the Centers for Disease Control and Prevention (CDC) maintains the WHO/NREVSS surveillance system, a network of laboratories in the U.S. that report influenza testing results. This system has seen many changes during the past 40 years, especially since the 2009... Read more

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Schools inherently foster the transmission of infections from person to person because they are a group setting in which people are in close contact and share supplies and equipment. Surveillance is important in schools and actions that can help control the spread of infections are the key to... Read more

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Despite the number of infections, hospitalizations, and deaths from influenza each year, developing the ability to predict the timing of these outbreaks has remained elusive. Public health practitioners have lacked a reliable, easy-to-implement method for predicting the onset of a period of... Read more

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Adoption of electronic medical records is on the rise, due to the Health Information Technology for Economic and Clinical Health Act and meaningful use incentives. Simultaneously, numerous HIE initiatives provide data sharing flexibility to streamline clinical care. Due to the consolidated data... Read more

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The ASTER system aims at providing an integrated real time epidemiological status of all the French Forces deployed abroad1. But, unlike usual surveillance systems, ASTER must cover several target populations exposed to different biological and chemical threats, and the surveillance of each... Read more

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This Knowledge Repository is made possible through the activities of the Centers for Disease Control and Prevention Cooperative Agreement/Grant #1 NU500E000098-01, National Surveillance Program Community of Practice (NSSP-CoP): Strengthening Health Surveillance Capabilities Nationwide, which is in the interest of public health.

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