Data Weekly influenza update, week 52, December 2017 Graph, Map - 5 Jan 2018 Period: 25 Dec 2017 - 31 Dec 2017 ECDC and WHO/Europe publish weekly influenza surveillance data in the report Flu News Europe. EU/EEA Europe Influenza Influenza A (H1N1)2009 Influenza in humans, seasonal Surveillance
