Sixteen people infected with the outbreak strain of STEC O157:H7 have been reported from nine states. Arizona, 4, California, 4, Maryland, 1, Missouri, 1, New Jersey, 1, Oregon, 2, Virginia, 1, Washington, 1 and Wisconsin, 1.

Illnesses started on dates ranging from January 4, 2017 to February 21, 2017. Ill people range in age from 2 to 48 years, with a median age of 10. Fourteen (88%) of the 16 ill people are younger than 18 years old. Among ill people, 63% are male. Eight ill people have been hospitalized and five people developed hemolytic uremic syndrome, a type of kidney failure. No deaths have been reported.

In interviews, ill people or their family members answered questions about the foods they ate and other exposures in the week before they became ill. Fifteen (100%) of the 15 people reached for interview reported either eating I.M. Healthy brand SoyNut Butter at home (nine people) in the week before they became ill, attending a facility that served I.M. Health brand SoyNut Butter (two people), or attending childcare centers that served I.M. Healthy brand SoyNut Butter and I.M. Healthy brand granola coated with SoyNut Butter (four people).