RT Journal Article SR Electronic(1) A1 Luquero, F J A1 Eiros, J M A1 Sanchez-Padilla, E A1 Castrodeza, J A1 Simón-Soria, F A1 Ortiz de Lejarazu, R YR T1 JF VO OP UL https://www.eurosurveillance.org/content/10.2807/esm.12.02.00686-fr