RT Journal Article SR Electronic(1) A1 Nygård, K A1 Andersson, Y A1 Lindkvist, P A1 Ancker, C A1 Asteberg, I A1 Dannetun, E A1 Eitrem, R A1 Hellström, L A1 Insulander, M A1 Skedebrant, L A1 Stenqvist, K A1 Giesecke, J YR T1 JF VO OP UL https://www.eurosurveillance.org/content/10.2807/esm.06.10.00380-it