The summaries of global surveillance are based on data gathered through global and regional data sharing platforms, and direct reports from Member States.
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Regular influenza updates
15 December 2014
Overview of influenza activity globally
Review of the 2013/2014 influenza season, northern hemisphere
This report summarizes the chronology, epidemiology and virology of the influenza season in the temperate regions of the northern hemisphere. The review covers influenza activity data collected from August 2013 to the end of April 2014.