Historic overview of food virology / Dean O. Cliver -- Food-borne viruses : state of the art / Marc-Alain Widdowson and Jan Vinjé -- Enterically tansmitted hepatitis / Rakesh Aggarwal and Sita Naik -- The challenge of estimating the burden of an underreported disease / Sarah J. O'Brien -- Emerging food-borne viral diseases / Erwin Duizer and Marion Koopmans -- Viral evolution and its relevance for food-borne virus epidemiology / Esteban Domingo and Harry Vennema -- Rethinking virus detection in food / Rosa M. Pintó and Albert Bosch -- Binding and inactivation of viruses on and in food, with a focus on the role of the matrix / Françoise S. Le Guyader and Robert L. Atmar -- Use of the Codex risk analysis framework to reduce risks associated with viruses in food / Jaap Jansen -- Risk assessment of viruses in food : opportunities and challenges / Arie H. Havelaar and Saskia A. Rutjes