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Persons infected with the outbreak strain of E. coli O157:H7 by date of illness onset*
*n= 60 for whom information was reported as of December 4, 2011
Among persons for whom information is available, illnesses began from October 10, 2011 to November 4, 2011. Ill persons ranged in age from 1 to 94 years, with a median age of 29 years old. Sixty-three percent were female. Among the 45 ill persons with available information, 30 (67%) were hospitalized, and 2 developed hemolytic uremic syndrome (HUS). No deaths have been reported
.The outbreak can be visually described with a chart showing the number of people who became ill each day. This chart is called an epidemic curve or epi curve. Illnesses that occurred after November 22, 2011, might not be reported yet due to the time it takes between when a person becomes ill and when the illness is reported. This takes an average of 2 to 3 weeks. Please see the Timeline for Reporting of E. coli Cases for more details.
Page last modified: December 7, 2011
Content source: Centers for Disease Control and Prevention
National Center for Emerging and Zoonotic Infectious Diseases (NCEZID)
Division of Foodborne, Waterborne, and Environmental Diseases (DFWED)