| Titre : | An outbreak of Salmonella hadar associated with food consumption at a building site canteen. (1998) |
| Auteurs : | A. FAUSTINI ; M. FANTASIA ; F. FORASTIERE ; U. LA ROSA ; R. MANGANELLO ; E. MATTACCINI ; C.A. PERUCCI ; M. SANGALLI ; D. SPERA ; M.T. TOPI ; R. TRIPPANERA ; Department of Epidemiology. Lazio Regional Health Authority. Rome. ITA ; Lazio Local Hospital Laboratory. Rome. ITA ; Lazio Public Health Laboratory. Rome. ITA |
| Type de document : | Article |
| Dans : | European journal of epidemiology (vol. 14, n° 1, 1998/01) |
| Pagination : | 99-106 |
| Langues: | Anglais |
| Mots-clés : | Salmonellose ; Bactériose ; Infection ; Bactérie ; Gastroentérite ; Epidémiologie ; Intoxication alimentaire ; Aliment ; Restauration collective ; Hygiène ; Homme ; Appareil digestif [pathologie] ; Estomac [pathologie] ; Intestin [pathologie] |
| Résumé : | [BDSP. Notice produite par INIST R0xZd01v. Diffusion soumise à autorisation]. A biphasic outbreak of gastroenteritis caused by Salmonella hadar affected canteen employees and workers at a construction site in central Italy in September 1994. There were 448 symptomatic cases, from 61 of whom group C Salmonella was isolated. Six cases were canteen employees. Twenty-two other individuals were asymptomatic excreters. There were 10 secondary cases. Working as a food handler at the canteen constituted an increased risk of infection, independently of ingestion of the food (odds ratio : 62.1 ; 95% confidence interval (CI) : 9.5-406.6). Having eaten at the canteen on the 19th and 20th September was identified as risk factor for subjects symptomatic within 72 hours (relative risk (RR) : 17.0,95% CI : 2.3-124.3), and cooled meat salad was identified as the vehicle of infection (RR : 36.6,95% CI : 14.3-93.8). The use of portable toilets was another possible route of transmission of infection for all cases (RR : 1.3,95% CI : 1.0-1.6). The index case was a cook who had symptoms five days before the peak of the outbreak. From 27 individuals both symptomatic and asymptomatic excreters group B, group D and not-typed Salmonellas were isolated. This study underlines the problem of improper food handling in salmonellosis outbreaks and emphasizes the role of several vehicles in the transmission of salmonellosis in a community. |
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