Timeline of Reported Cases

Final Update

June 19, 2019 at 11:00 AM ET

This outbreak appears to be over. Ill people in this outbreak ate ground beef from many sources. No single supplier, distributor, or brand of ground beef was identified. Consumers and restaurants should always handle and cook ground beef safely to avoid foodborne illness.

People infected with the outbreak strain of E. coli O103, by date of illness onset*

Epi curve of people infected with the outbreak strain of E. coli, by date of illness onset, as of June 17, 2019

*n=209 for whom information was reported as of June 18, 2019. Some illness onset dates have been estimated from other reported information.

Previous Timelines

People infected with the outbreak strain of E. coli O103, by date of illness onset*

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

*n=196 for whom information was reported as of May 10, 2019. Some illness onset dates have been estimated from other reported information.

People infected with the outbreak strain of E. coli O103, by date of illness onset*

Epi curve of people infected with the outbreak strain of E. coli, by date of illness onset, as of April 25, 2019

*n=177 for whom information was reported as of April 25, 2019. Some illness onset dates have been estimated from other reported information.

People infected with the outbreak strain of E. coli O103, by date of illness onset*

Epi curve of people infected with the outbreak strain of E. coli, by date of illness onset, as of April 22, 2019

*n=150 for whom information was reported as of April 23, 2019. Some illness onset dates have been estimated from other reported information.

Illnesses that occurred after March 26, 2019, might not yet be reported due to the time it takes between when a person becomes ill with E. coli and when the illness is reported. This takes an average of two to three weeks.

People infected with the outbreak strain of E. coli O103, by date of illness onset*

Epi curve of people infected with the outbreak strain of E. coli, by date of illness onset, as of April 11, 2019

*n=103 for whom information was reported as of April 12, 2019. Some illness onset dates have been estimated from other reported information.

People infected with the outbreak strain of E. coli O103, by date of illness onset*

Epi curve of people infected with the outbreak strain of E. coli, by date of illness onset, as of April 4, 2019

*n=93 for whom information was reported as of April 8, 2019. Some illness onset dates have been estimated from other reported information.

People infected with the outbreak strain of E. coli O103, by date of illness onset*

Epi curve of people infected with the outbreak strain of E. coli, by date of illness onset, as of April 4, 2019

*n=66 for whom information was reported as of April 4, 2019. Some illness onset dates have been estimated from other reported information.

Read the full Food Safety Alert

Page last reviewed: June 19, 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)