Influenza

Evolution of a pandemic

A(H1N1) 2009, April 2009 – August 2010, 2nd edition

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Authors:
WHO

Publication details

Number of pages: 48
Publication date: 2013
Languages: English
ISBN: 9789241503051

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Overview

"On Saturday, 25 April, upon the advice of the Emergency Committee called under the rules of the International Health Regulations, the Director-General declared this event a Public Health Emergency of International Concern."