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Weekly influenza surveillance overview, September 11, 2009 - Week 36

11 Sep 2009
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This document is free of charge.
The weekly influenza surveillance overview is a collection of timely and relevant information regarding influenza activity in Europe. It provides key statistical data on a variety of issues including the following: sentinel surveillance of influenza like illness (ILI) and acute respiratory illness (ARI); virological surveillance; aggregate numbers of pandemic H1N1 2009; hospital surveillance of severe acute respiratory infection (SARI); mortality surveillance; and qualitative reporting. An up-to-date report is available every Friday
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