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Influenza A (H1N1) Pandemic - Apr 2009

Disaster description

Since its emergence in April 2009, pandemic influenza A(H1N1) 2009 virus affected all parts of the world, causing the first influenza pandemic since 1968. Following the observation that 1 or 2 epidemic periods had occurred in most countries and in most WHO Regions, WHO declared on 10 Aug 2010 that the world was moving into the post-pandemic period. (WHO, 18 Feb 2011)

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