Outbreak of human listeriosis associated with tomme cheese in northwest Switzerland, 2005 Bille, J and Blanc, D S and Schmid, H and Boubaker, K and Baumgartner, A and Siegrist, H H and Tritten, M L and Lienhard, R and Berner, D and Anderau, R and Treboux, M and Ducommun, J M and Malinverni, R and Genné, D and Erard, P and Waespi, U, Eurosurveillance, 11, 633 (2006), https://doi.org/10.2807/esm.11.06.00633-en