RT Journal Article SR Electronic(1) A1 Lamagni, T L A1 Efstratiou, A A1 Vuopio-Varkila, J A1 Jasir, A A1 Schalén, C YR T1 JF VO OP UL https://www.eurosurveillance.org/content/10.2807/esm.10.09.00563-es