RT Journal Article SR Electronic(1) A1 Nygård, K A1 Outbreak investigation collaborators, Collective YR 2005 T1 Update: Outbreak of legionnaires’ disease in Norway traced to air scrubber JF Weekly releases (1997–2007) VO 10 IS 23 SP 2719 OP DO https://doi.org/10.2807/esw.10.23.02719-en UL https://www.eurosurveillance.org/content/10.2807/esw.10.23.02719-en