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Volume 11, Number 4—April 2005

Research

Epidemiology of Escherichia coli O157:H7 Outbreaks, United States, 1982–2002

Josefa M. Rangel*†Comments to Author , Phyllis H. Sparling*, Collen Crowe*, Patricia M. Griffin*, and David L. Swerdlow*
Author affiliations: *Centers for Disease Control and Prevention, Atlanta, Georgia, USA; and; †Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA

Main Article

Table

Outbreaks and cases of Escherichia coli O157 infection by transmission route, 1982–2002

Transmission route Outbreaks Outbreak size Cases
n Total (%) Foodborne (%) Median (range) n Total (%) Foodborne (%)
Foodborne 183 52 11 (2–736) 5,269 61
Ground beef 75 21 41 8 (2–732) 1,760 20 33
Unknown food vehicle 42 12 23 8 (2–86) 646 8 12
Produce 38 11 21 20 (2–736) 1,794 21 34
Other beef 11 3 6 17 (2–323) 563 7 11
Other food vehicle 10 5 6 15 (2–47) 206 2 4
Dairy product 7 2 4 8 (2–202) 300 3 6
Unknown transmission route 74 21 4 (2–140) 812 9
Person-to-person 50 14 7 (2–63) 651 8
Recreational water 21 6 8 (2–45) 280 3
Animal contact 11 3 5 (2–111) 319 4
Drinking water 10 3 26 (2–781) 1,265 15
Laboratory-related 1 <1 2 2 <1
Total 350 8,598

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