RT Journal Article SR Electronic(1) A1 Sartorius, B A1 Penttinen, P A1 Nilsson, J A1 Johansen, K A1 Jönsson, K A1 Arneborn, M A1 Löfdahl, M A1 Giesecke, J YR T1 JF VO OP UL https://www.eurosurveillance.org/content/10.2807/esm.10.09.00559-pt