Cluster of Legionnaires’ disease in a newly built block of flats, Denmark, December 2008 – January 2009 Krøjgaard, L H and Krogfelt, K A and Albrechtsen, H J and Uldum, S A, Eurosurveillance, 16, 19759 (2011), https://doi.org/10.2807/ese.16.01.19759-en