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Salmonella enterica serovar Typhimurium, and Salmonella enterica serovar Typhi. These serovars were responsible for over 63% of food-borne illnesses recorded during 2004-2005 (1). However, Salmonella enterica serovar Othmarschen is a relatively rare serovar which has been isolated from humans as well as animals in Korea. S. Othmarschen was isolated from humans and calves, and a nosocomial outbreak of S. Othmarschen harboring a plasmid encoding for extendedspectrum beta-lactamase TEM-27 was described in previous studies (2-4). In this report, we describe a significant outbreak of S. Othmarschen, which resulted in severe salmonellosis, among persons attending a funeral service in Guri-si. On March 20, 2007, a doctor notified a regional health center that 12 persons, including the chief mourner and condolers, had been admitted to hospitals due to complaints of severe diarrhea and abdominal pains. After this notice, a team of epidemiological investigators conducted interviews, obtained specimens, and evaluated the specimens for pathogens. Their investigations revealed that 300 persons had attended the funeral service and had possibly consumed a common suspicious dish. Among these persons, 72 became ill and had been hospitalized at 22 different hospitals. There were no mortality. The food eaten by the mourners had been provided by a food supplier specialized in the catering of funeral services. According to the results of the interviews, the patients had primarily dined on pan-fried foods containing eggs, squash, and seafood. The principal symptoms reported were diarrhea (98.3%), abdominal pain (96.6%), fever …