van Gageldonk-Lafeber, ABHooiveld, MMeijer, ADonker, GAVeldman-Ariesen, MJvan der Hoek, Wvan der Sande, MAB2025-03-202025-03-2020112166866610.1111/j.1750-2659.2011.00260.xhttps://rivm.openrepository.com/handle/10029/645743The relative clinical impact of 2009 pandemic influenza A (H1N1) in the community compared to seasonal influenza in the Netherlands was most marked among 5-14 year oldsArticleInfluenza Other Respi Viruses 2011; 5(6):e513-202025-03-20