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ATLANTA — About 80% of Salmonella cases in the United States in 2004 and 2005 were domestically acquired isolated incidents, Dina Hoefer reported in a poster presented at the International Conference on Emerging Infectious Diseases.
By contrast, about 12% of infected patients with known travel status had traveled internationally, and almost 8% of cases were associated with a recognized outbreak, based on data from the Foodborne Diseases Active Surveillance Network (FoodNet).
FoodNet is an ongoing program, supported by the Centers for Disease Control and Prevention, the U.S. Department of Agriculture, and the Food and Drug Administration, that seeks to link foodborne illnesses to specific foods and settings based on information collected from 10 sites throughout the United States.
Ms. Hoefer, of the New York State Department of Health in Albany, and her colleagues reviewed FoodNet surveillance data for 12,159 cases of Salmonella infection from 2004 and 2005. Of the 7,500 patients whose travel status and outbreak associations were known, 878 had traveled internationally within 7 days prior to the onset of illness, and 583 were known to be part of a documented Salmonella outbreak.
Overall, the domestically acquired cases were significantly more likely to require hospitalization, compared with travel-related cases (relative risk 1.5) or cases associated with outbreaks (relative risk 1.4).
ATLANTA — About 80% of Salmonella cases in the United States in 2004 and 2005 were domestically acquired isolated incidents, Dina Hoefer reported in a poster presented at the International Conference on Emerging Infectious Diseases.
By contrast, about 12% of infected patients with known travel status had traveled internationally, and almost 8% of cases were associated with a recognized outbreak, based on data from the Foodborne Diseases Active Surveillance Network (FoodNet).
FoodNet is an ongoing program, supported by the Centers for Disease Control and Prevention, the U.S. Department of Agriculture, and the Food and Drug Administration, that seeks to link foodborne illnesses to specific foods and settings based on information collected from 10 sites throughout the United States.
Ms. Hoefer, of the New York State Department of Health in Albany, and her colleagues reviewed FoodNet surveillance data for 12,159 cases of Salmonella infection from 2004 and 2005. Of the 7,500 patients whose travel status and outbreak associations were known, 878 had traveled internationally within 7 days prior to the onset of illness, and 583 were known to be part of a documented Salmonella outbreak.
Overall, the domestically acquired cases were significantly more likely to require hospitalization, compared with travel-related cases (relative risk 1.5) or cases associated with outbreaks (relative risk 1.4).
ATLANTA — About 80% of Salmonella cases in the United States in 2004 and 2005 were domestically acquired isolated incidents, Dina Hoefer reported in a poster presented at the International Conference on Emerging Infectious Diseases.
By contrast, about 12% of infected patients with known travel status had traveled internationally, and almost 8% of cases were associated with a recognized outbreak, based on data from the Foodborne Diseases Active Surveillance Network (FoodNet).
FoodNet is an ongoing program, supported by the Centers for Disease Control and Prevention, the U.S. Department of Agriculture, and the Food and Drug Administration, that seeks to link foodborne illnesses to specific foods and settings based on information collected from 10 sites throughout the United States.
Ms. Hoefer, of the New York State Department of Health in Albany, and her colleagues reviewed FoodNet surveillance data for 12,159 cases of Salmonella infection from 2004 and 2005. Of the 7,500 patients whose travel status and outbreak associations were known, 878 had traveled internationally within 7 days prior to the onset of illness, and 583 were known to be part of a documented Salmonella outbreak.
Overall, the domestically acquired cases were significantly more likely to require hospitalization, compared with travel-related cases (relative risk 1.5) or cases associated with outbreaks (relative risk 1.4).