Epi Curves

Multistate Outbreak of Shiga toxin-producing Escherichia coli O157:H7 Infections Linked to I.M. Healthy Brand SoyNut Butter (Final Update)

Posted May 4, 2017 11:45 AM EST

Although the outbreak investigation is over, illnesses may continue for some time. The recalled SoyNut Butter products have long shelf lives and may still be in people’s homes or in institutions. People who don’t know about the recalls could continue to eat the products and get sick. The recalled products are listed on the Recalls & Advice to Consumers page.

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

Epi curve: People infected with the outbreak strain of E. coli O157:H7, by date of illness onset, May 2, 2017

*n=32 for whom information was reported as of May 2, 2017. Some illness onset dates have been estimated from other reported information.

Previous Epi Curves

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

Epi curve: People infected with the outbreak strain of E. coli O157:H7, by date of illness onset, March 28, 2017

*n=29 for whom information was reported as of March 28, 2017. Some illness onset dates have been estimated from other reported information.

Illnesses that started after March 7, 2017 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 4 weeks.

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

Epi curve: People infected with the outbreak strain of E. coli O157:H7, by date of illness onset, March 17, 2017

*n=23 for whom information was reported as of March 17, 2017. Some illness onset dates have been estimated from other reported information.

Illnesses that started after February 24, 2017 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 4 weeks.

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

Epi curve: People infected with the outbreak strain of E. coli O157:H7, by date of illness onset, March 7, 2017

*n=16 for whom information was reported as of March 7, 2017. Some illness onset dates have been estimated from other reported information.

Illnesses that started after February 13, 2017 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 4 weeks.

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

Epi curve: People infected with the outbreak strain of E. coli O157:H7, by date of illness onset, March 2, 2017

*n=12 for whom information was reported as of March 2, 2017. Some illness onset dates have been estimated from other reported information.

Illnesses that started after February 8, 2017 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 3-4 weeks.