Data Tables and Figures—2010 Preliminary Data
Facts and Figures related to "Vital Signs: Incidence and Trends of Infection with Pathogens Transmitted Commonly Through Food, Foodborne Diseases Active Surveillance Network (FoodNet), 10 States, 2010" published in the Morbidity and Mortality Weekly Report (MMWR) on June 7, 2011.
The Foodborne Diseases Active Surveillance Network (FoodNet) conducts active population-based surveillance in 10 areas (Connecticut, Georgia, Maryland, Minnesota, New Mexico, Oregon, Tennessee, and selected counties in California, Colorado, and New York) for laboratory-confirmed cases of infection caused by Campylobacter, Cryptosporidium, Cyclospora, Listeria, Salmonella, Shiga toxin-producing Escherichia coli (STEC, including STEC O157), Shigella, Vibrio, and Yersinia.
FoodNet also conducts surveillance for hemolytic uremic syndrome (HUS), a complication of STEC infection characterized by renal failure and microangiopathic hemolytic anemia, through a network of pediatric nephrologists and infection-control practitioners. Hospital discharge data are reviewed to validate HUS diagnoses and verify the presence of diarrhea in the 21 days before HUS onset. This report contains preliminary postdiarrheal HUS data for 2009, rather than for 2010, because additional time is needed to review hospital records.
This web page is a supplement to the report titled "Vital Signs: Incidence and Trends of Infection with Pathogens Transmitted Commonly Through Food, Foodborne Diseases Active Surveillance Network (FoodNet), 10 States, 2010" published in the Morbidity and Mortality Weekly Report (MMWR) on April 16, 2010. To access tables and figures, click on the menu items below.
Number of Infections and Incidence per 100,000 Persons
Annual incidence is reported as cases per 100,000 persons. Incidence is calculated by dividing the total number of infections with each pathogen by the population in the FoodNet surveillance system for that year.
Results:
All sites, 1996 to 2010
Table 2a. Number of infections [PDF - 1 page]
Table 2b. Incidence per 100,000 persons [PDF - 1 page]
By site, 2010
Table 3a. Number of infections [PDF - 1 pages]
Table 3b. Incidence per 100,000 persons [PDF - 1 pages]
By age group, 2010
Table 4a. Number of infections [PDF - 1 pages]
Table 4b. Incidence per 100,000 persons [PDF - 1 pages]
Table 5. Top 10 Salmonella serotypes, 2010 [PDF - 1 pages]
Table 6. Shiga toxin-producing Escherichia coli serogroups (non-O157), 2010 [PDF - 1 pages]
Table 7. Top Vibrio and other Vibrionaceae species, 2010 [PDF - 1 pages]
Hospitalizations
How is percentage of hospitalization is calculated?
The percentage of hospitalization is calculated as follows:
Patients are considered to have been hospitalized if hospitalization occurs at any time within 7 days of the specimen collection date.
Results:
Overall, 2010
Table 11. Number and percentage of hospitalizations [PDF - 1 pages]
By age group, 2010
Table 12. Number and percentage of hospitalizations [PDF - 1 pages]
Case Fatality Ratios
How is the case fatality ratio calculated?
The case fatality ratio is calculated as follows:
Patients' vital status is recorded at hospital discharge (if hospitalized) or at 7 days after the specimen collection date (if not hospitalized).
Results:
Overall, 2010
Table 13. Number of deaths and case fatality ratio [PDF - 1 pages]
By age group, 2010
Table 14. Number of deaths and case fatality ratio [PDF - 1 pages]
Additional Tables and Figures
Questions and Answers About FoodNet MMWR, 2010
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