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
22 November 2013
Overview of influenza activity globally
Review of the 2013 influenza season, southern hemisphere
This report summarizes the chronology, epidemiology and virology of the influenza season in the temperate regions of the southern hemisphere. The review covers influenza activity data collected from January to the end of September 2013.