Timeline of Reported Cases

Final Update

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Posted January 9, 2019 at 4:30 PM ET

This outbreak appears to be over. E. coli is an important cause of 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 E. coli and Food Safety web page.

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

Epi curve of people infected with the outbreak strain of E. coli, by date of illness onset, as of January 9, 2019

*n=62 for whom information was reported as of January 9, 2019. Some illness onset dates have been estimated from other reported information.

Previous Timelines

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

Epi curve of people infected with the outbreak strain of E. coli, by date of illness onset, as of December 13, 2018

*n=59 for whom information was reported as of December 13, 2018. Some illness onset dates have been estimated from other reported information.

Illnesses 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.

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

Epi curve of people infected with the outbreak strain of E. coli, by date of illness onset, as of December 6, 2018

*n=52 for whom information was reported as of December 6, 2018. Some illness onset dates have been estimated from other reported information.

Illnesses 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.

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

Epi curve of people infected with the outbreak strain of E. coli, by date of illness onset, as of November 26, 2018

*n=43 for whom information was reported as of November 26, 2018. Some illness onset dates have been estimated from other reported information.

Illnesses 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.

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

Epi curve of people infected with the outbreak strain of E. coli, by date of illness onset, as of November 19, 2018

*n=32 for whom information was reported as of November 19, 2018. Some illness onset dates have been estimated from other reported information.

Illnesses 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.

Read the full Food Safety Alert

Page last reviewed: January 9, 2019
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)