In collaboration with WHO Regional Office for Europe, ECDC monitors and reports on influenza activity in Europe on a weekly basis throughout the flu season.
Summary of influenza virus characterisation data reported by national influenza centres to The European Surveillance System for weeks 40/2017 to 20/2018.
This is the sixth report of the 2017–18 influenza season. As of week 25/2018, nearly 239 000 influenza detections across the WHO European Region have been reported.