Investigation of a spatiotemporal cluster of verotoxin-producing Escherichia coli O157 infections in eastern England in 2007 Rechel, B and Mahgoub, H and Pritchard, G C and Willshaw, G and Williams, C and Rodrigues, B and Lewin, M and Nair, P, Eurosurveillance, 16, 19916 (2011), https://doi.org/10.2807/ese.16.28.19916-en