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Multistate Outbreak of Shiga Toxin-producing Escherichia coli O157:H7 Infections Linked to Organic Spinach and Spring Mix Blend (Final Update)

Posted December 10, 2012 4:30 PM ET

This particular outbreak appears to be over. However, E. coli is still an important cause of human illness in the United States. More information about E. coli, and steps people can take to reduce their risk of infection, can be found on the CDC E. coli Web Page.

Current Epi Curve

The outbreak can be visually described with a chart showing the number of people who became ill each day. Please see the E. coli Outbreak Investigations: Timeline for Reporting Cases for more details.

Persons infected with the outbreak strain of E. coli O157:H7, by date of illness onset*

a.	Persons infected with the outbreak strain of STEC O157:H7, by date of illness onset

*n=31 for whom information was reported as of December 5, 2012. Some illness onset dates have been estimated from other reported information.

« Read the full Outbreak Investigation

Previous Epi Curve

Epi Curve: November 16, 2012

Persons infected with the outbreak strain of E. coli O157:H7, by date of illness onset*

a.	Persons infected with the outbreak strain of STEC O157:H7, by date of illness onset as of November 16, 2012

*n=27 for whom information was reported as of November 16, 2012. Some illness onset dates have been estimated from other reported information. Illnesses that occurred after October 30, 2012 might not yet be reported 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.

 
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