Surveillance and Epidemiology
19 January 2010
21 August 2009
15 June 2009
11 May 2009
27 April 2009
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Interim WHO guidance for the surveillance of human infection with swine influenza A(H1N1) virus
pdf, 146kb
This interim document provides WHO guidance on the global surveillance of the new influenza A(H1N1) virus infection. It includes the case definitions for new Influenza A(H1N1) infections and the framework for reporting cases by Member States to WHO in this current outbreak.
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Global Surveillance during an Influenza Pandemic
This document outlines the critical information that should be collected during different time periods in the course of an influenza pandemic. It also provides guidance for reporting such information to WHO and describes the processes that WHO will use to disseminate critical information and to ensure that it is available to the relevant audience.
November 2008
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A Practical Guide to Harmonizing Virological and Epidemiological Influenza Surveillance
pdf, 3.19Mb
This document provides guidance to Ministry of Health staff responsible for establishing, operating and improving national influenza surveillance systems. It describes the different modes of surveillance and the importance of harmonizing various components of influenza surveillance systems.
March 2008
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A Guide to Establishing Event-based Surveillance
pdf, 1.12Mb
Event-based surveillance is the organized and rapid capture of information about events that are a potential risk to public health. This document provides guidance on setting up event-based surveillance systems and describes how they can contribute to the overall effectiveness of communicable diseases surveillance.
April 2005
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WHO checklist for influenza pandemic preparedness planning
The objective of pandemic planning is to enable countries to be prepared to recognize and manage an influenza pandemic. This document provides a systematic framework to assist health authorities in planning for an influenza pandemic. Specifically, Chapters 2 and 3 provide guidance for surveillance systems and case investigation in the inter-pandemic, pre-pandemic and pandemic phases.