Surveillance

Cost-effectiveness of Prevention Programs

June 14, 2010
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Tweet In some situations as public health professionals we have the need of analyzing the cost-effectiveness of one or several prevention programs.  We basically need to compare the relative costs and outcomes (effects) of two or more courses of action, and based on that economic analysis choose the options that provide the greatest outcome for […]

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Progressi delle Aziende Sanitarie per la Salute in Italia (Passi)

January 27, 2010
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Tweet Author: Dr. Arana In 2006, the National Center for Disease Prevention and Control (CCM) funded the ISS to develop an ongoing surveillance system to collect, analyze, and disseminate data related to behavior risk factors and prevention health measures over the Italian population. This project was called PASSI (Progressi delle Aziende Sanitarie) the Italian Behavior […]

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Types of Surveillance Systems

January 4, 2010

Tweet Author: Dr. Arana Public health departments at local, state, and national levels routinely use different surveillance systems. Here is an overview of some of these systems, including vital statistics, disease reporting, and surveys. There are more specialized surveillance systems, including sentinel surveillance, zoonotic disease surveillance, adverse events surveillance, syndromic surveillance, disease registries, and laboratory […]

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The History of Public Health Surveillance

December 23, 2009

Tweet Author: Dr. Arana The concept of public health surveillance has evolved over time. This concept arose in Europe some 600 years ago with the emergence of scientific thought during the Renaissance, and subsequently spread to the Americas with the European settlers (Declich,  Carter 1994). Prior to 1950, surveillance meant the close observation of persons […]

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Importance of Public Health Data

December 21, 2009
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Tweet Author: Dr. Arana Surveillance systems provide the foundations on which to build successful control and prevention programs. The analysis and comparison of surveillance systems can help ensuring that these systems are collecting the right data and following appropriate procedures to obtain good data and support quality planning, dissemination of data, and implementation of population-based […]

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Steps and Functions of Surveillance Systems

December 17, 2009

Tweet Author: Dr. Arana Surveillance is undertaken to inform disease prevention and control measures. This systematic and continuous system follows some steps and functions to enable design procedures and methodologies to be developed in order to have effective surveillance systems that support ongoing researches and public health actions. In Figure 1, there is a description […]

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Definition of Surveillance System

December 13, 2009

Tweet Author: Dr. Arana Historically, public health surveillance has combined two different activities: case and statistical surveillances. Case surveillance, which is focuses on individuals, or sometimes small groups of individuals, has been used for communicable diseases capable of causing great harm to the entire population if allowed to spread. In contrast, statistical surveillance uses populations to […]

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