Timeline of Reported Cases

Final Update

Posted on December 22, 2020 at 4:00 PM ET

This outbreak is over. Investigators have linked this outbreak to leafy greens, but a specific type or brand was not identified. You do not need to avoid eating leafy greens because of this outbreak. Learn more about how leafy greens can get contaminated and steps you can take to reduce your risk of getting sick from eating leafy greens.

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 21, 2020

*n=40 for whom information was estimated or reported as of December 18, 2020.