RT Journal Article SR Electronic(1) A1 Chahed, A A1 Ghafir, Y A1 China, B A1 Dierick, K A1 De Zutter, L A1 PiƩrard, D A1 Daube, G YR T1 JF VO OP UL https://www.eurosurveillance.org/content/10.2807/esm.10.03.00527-fr