RT Journal Article SR Electronic(1) A1 Perucha, M A1 Ramalle-Gómara, E A1 Lezaun, M E A1 Blanco, A A1 Quiñones, C A1 Blasco, M A1 Gonzalez, M A A1 Cuesta, C A1 Echevarria, J E A1 Mosquera, M M A1 de Ory, F YR T1 JF VO OP UL https://www.eurosurveillance.org/content/10.2807/esm.11.10.00649-fr