van 't Klooster, RMWielders, CCDonker, TIsken, LMeijer, Avan den Wijngaard, CCvan der Sande, MAvan der Hoek, W2025-03-202025-03-2020102008569110.2807/ese.15.02.19461-enhttps://rivm.openrepository.com/handle/10029/644798Surveillance of hospitalisations for 2009 pandemic influenza A(H1N1) in the Netherlands, 5 June - 31 December 2009.ArticleEurosurveillance 2010; 15(2):pii=194612025-03-20