An outbreak of Verocytotoxin-producing Escherichia coli O26:H11 caused by beef sausage, Denmark 2007 Ethelberg, S and Smith, B and Torpdahl, M and Lisby, M and Boel, J and Jensen, T and Mølbak, K, Weekly releases (1997–2007), 12, 3208 (2007), https://doi.org/10.2807/esw.12.22.03208-en