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WHO Library Cataloguing-in-Publication Data Pandemic influenza preparedness and response: a WHO guidance document. 1.Influenza, Human - epidemiology. 2.Influenza, Human - prevention and control. 3.Disease outbreaks - prevention and control. 4.Epidemiologic surveillance. 5.Health planning. 6.Guidelines. I.WHO Global Influenza Programme. II.World Health Organization. ISBN 978 92 4 154768 0 (NLMclassification: WC 515)

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This guidance is an update of WHO global influenza preparedness plan, the role of WHO and recommendations for national measures before and during pandemics, published by WHO March 2005.1

FOREWORD
These guidelineswere edited by Jum Kanokporn Coninx, Keiji Fukuda, Hande Harmanci, Kidong Park, Mary Chamberland, Tamara Curtin Niemi, Elisabeth (Isis) Pluut and Claudia Vivas of the Global Influenza Programme in the Health Security and Environment Cluster of the World Health Organization. This guidance is an update of WHO global influenza preparedness plan, the role of WHO and recommendations for national measuresbefore and during pandemics, published by WHO in March 2005.1 The information and recommendations contained in this guidance document are the product of expert opinion obtained in the course of international consultations which began in 2007. During the meeting held between 27 and 29 November 2007, five task forces were created to prepare draft guidance documents which were discussed in subsequentmeetings. All task force members and other experts invited to participate in the subsequent meetings were asked to complete, sign and submit the Declaration of Interest for WHO Experts form. During the revision process, the task forces reviewed and consolidated existing WHO guidance; examined available information and modeling studies; sought input from public health experts on lessons learnedfrom SARS; and reviewed studies and analyses of both animal and human influenza responses. All the external experts that participated in the substantive elaboration of this guidance document are listed and acknowledged in the following section. In accordance with WHO policy, participating experts were requested to submit a duly completed and signed Declaration of Interest for WHO Experts form....