Phylogeographical pattern of Francisella tularensis in a nationwide outbreak of tularaemia in Norway, 2011 Afset, J E and Larssen, K W and Bergh, K and Sjödin, A and Lärkeryd, A and Johansson, A and Forsman, M, Eurosurveillance, 20, 21125 (2015), https://doi.org/10.2807/1560-7917.ES2015.20.19.21125