RT Journal Article SR Electronic(1) A1 Pedalino, B A1 Cotter, B A1 Ciofi Degli Atti, M L A1 Mandolini, D A1 Parroccini, S A1 Salmaso, S YR T1 JF VO OP UL https://www.eurosurveillance.org/content/10.2807/esm.07.07.00357-fr