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Volume 22, Number 7—July 2016

Comparing Characteristics of Sporadic and Outbreak-Associated Foodborne Illnesses, United States, 2004–2011

Eric D. Ebel, Michael S. WilliamsComments to Author , Dana Cole, Curtis C. Travis, Karl C. Klontz, Neal J. Golden, and Robert M. Hoekstra
Author affiliations: US Department of Agriculture District of Columbia, Washington, DC, USA (E.D. Ebel, M.S. Williams, N.J. Golden); Centers for Disease Control and Prevention, Atlanta, Georgia, USA (D. Cole, R.M. Hoekstra); Leidos Incorporated, Reston, Virginia, USA (C.C. Travis); Food and Drug Administration, College Park, Maryland, USA (K.C. Klontz)

Main Article

Table 1

Number of outbreak cases versus sporadic cases and outbreak fraction, FoodNet data, United States, 2004–2011*

Outbreak cases
Sporadic cases
Outbreak fraction, %
Campylobacter 195 42,744 0.5
Escherichia coli O157 730 3,117 19.0
Listeria 56 1,024 5.2
Salmonella 3,161 50,690 5.9

*Representing 101,717 reports with complete data for all study variables out of 110,157 total reports. FoodNet, Foodborne Diseases Active Surveillance Network.

Main Article

Page created: June 14, 2016
Page updated: June 14, 2016
Page reviewed: June 14, 2016
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.