Invasive Salmonella Infections in the United States, FoodNet, 1996–1999: Incidence, Serotype Distribution, and Outcome

Invasive Salmonella infections are severe and can be life threatening. We analyzed population-based data collected during 1996–1999 by the Foodborne Diseases Active Surveillance Network (FoodNet), to determine the incidences, infecting serotypes, and outcomes of invasive Salmonella infection. We fou...

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Bibliographic Details
Published in:Clinical infectious diseases 2004-04, Vol.38 (Supplement-3), p.S149-S156
Main Authors: Vugia, Duc J., Samuel, Michael, Farley, Monica M., Marcus, Ruthanne, Shiferaw, Beletshachew, Shallow, Sue, Smith, Kirk, Angulo, Frederick J.
Format: Article
Language:English
Subjects:
Age groups
Bacteremia
Disease Progression
Epidemiology
Female
Foodborne illnesses
Humans
Incidence
Infant
Infections
Infectious diseases
Male
Men
Older adults
Salmonella
Salmonella - classification
Salmonella infections
Salmonella Infections - epidemiology
Salmonella Infections - ethnology
Salmonella Infections - mortality
Salmonella Infections - pathology
Serotyping
Sex Factors
United States - epidemiology
United States - ethnology
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Summary:Invasive Salmonella infections are severe and can be life threatening. We analyzed population-based data collected during 1996–1999 by the Foodborne Diseases Active Surveillance Network (FoodNet), to determine the incidences, infecting serotypes, and outcomes of invasive Salmonella infection. We found that the mean annual incidence of invasive salmonellosis was 0.9 cases/100,000 population and was highest among infants (7.8 cases/100,000). The incidence was higher among men than women (1.2 vs. 0.7 cases/100,000; P < .001) and higher among blacks, Asians, and Hispanics than among whites (2.5, 2.0, and 1.3 cases/100,000 population, respectively, vs. 0.4 cases/100,000; all P < .001). Seventy-four percent of cases were caused by 8 Salmonella serotypes: Typhimurium, Typhi, Enteritidis, Heidelberg, Dublin, Paratyphi A, Choleraesuis, and Schwarzengrund. Of 540 persons with invasive infection, 386 (71%) were hospitalized and 29 (5%) died; 13 (45%) of the deaths were among persons aged ⩾60 years. Invasive Salmonella infections are a substantial health problem in the United States and contribute to hospitalizations and deaths.
ISSN:1058-4838
1537-6591
DOI:10.1086/381581