Résumé :
|
[BDSP. Notice produite par INIST 9xQ4OR0x. Diffusion soumise à autorisation]. Context. - Acidic foods such as orange juice have been thought to be unlikely vehicles of foodbome illness. Objective. - To investigate an outbreak of Salmonella enterica serotype Hartford (Salmonella Hartford) infections among persons visiting a theme park in Orlando, Fla, in 1995. Design. - Review of surveillance data, matched case-control study, laboratory investigation, and environmental studies. Setting. - General community. Participants. - The surveillance case definition was Salmonella Hartford or Salmonella serogroup C1 infection in a resident of or a visitor to Orlando in May or June 1995. In the case-control study, case patients were limited to theme park hotel visitors and controls were matched to case patients by age group and hotel check-in date. Main Outcome Measures. - Risk factors for infection and source of implicated food. Results. Sixty-two case patients from 21 states were identified. Both Salmonella Hartford and Salmonella enterica serotype Gaminara (Salmonella Gaminara) were isolated from stool samples of 1 ill person. Thirty-two case patients-and 83 controls were enrolled in the case-control study. Ninety-seven percent of case patients had drunk orange juice in the theme park vs 54% of controls (matched odds ratio, undefined ; 95% confidence interval, 5.2 to undefined). The orange juice was unpasteurized and locally produced. (...)
|