High prevalence of antibodies to the 2009 pandemic influenza A(H1N1) virus in the Norwegian population following a major epidemic and a large vaccination campaign in autumn 2009
Waalen, K and Kilander, A and Dudman, S G and Krogh, G H and Aune, T and Hungnes, O, Eurosurveillance, 15, 19633 (2010), https://doi.org/10.2807/ese.15.31.19633-en