[Outbreak of food-borne Norovirus associated with the consumption of sandwiches].

Background And Objective: The aim of this study was to conduct an investigation into an outbreak of food-borne disease at a hotel, when epidemiological and microbiological results determined that the etiological agent was Norovirus and the source of infection was food handlers.

Patients And Method: We detected an outbreak of gastroenteritis in a group of 59 students and teachers from a secondary school who were staying at a hotel in Espot, Lleida (Spain). A historic cohort study was conducted into the consumption of water and food and clinical symptoms were also analyzed.