RT Journal Article SR Electronic(1) A1 Pebody, R G A1 Leino, T A1 Nohynek, H A1 Hellenbrand, W A1 Salmaso, S A1 Ruutu, P YR T1 JF VO OP UL https://www.eurosurveillance.org/content/10.2807/esm.10.09.00564-es