Summary of the 2011-2012 influenza season in the WHO European Region

Topics covered in this summary include 1) description of influenza surveillance in the WHO European Region 2) results from outpatient surveillance for ILI and ARI 3) results from inpatient surveillance for SARI 4) impact of influenza in the 2011/2012 season 5) vaccine match in 2011-2012 influenza season and 6) antiviral resistance and clinical care of patients.