Preliminary analysis of influenza A(H1N1)v individual and aggregated case reports from EU and EFTA countries

Abstract

Since the first importation of influenza A(H1N1)v virus to Europe in late April of this year, surveillance data have been collected in the Member States of the European Union and European Free Trade Association. This is the first preliminary analysis of aggregated and individual data available as of 8 June 2009 at European level.