Weekly influenza surveillance overview, October 9, 2009 - Week 40

Surveillance report

Five EU countries (Belgium, Ireland, Malta, Spain, UK (Northern Ireland)) are currently reporting influenza intensity activity above baseline levels. This is extraordinary for this time of the year. Pandemic A(H1N1) influenza continues to account for the majority of virus detections. Eleven countries reported increasing activity, compared to week 39/2009.