CDC, several states, the U.S. Food and Drug Administration, and the U.S. Department of Agriculture’s Food Safety and Inspection Service are investigating a multistate outbreak of Shiga toxin-producing E. coli O157:H7 infections. The investigation is still ongoing and a specific food item, grocery store, or restaurant chain has not been identified as the source of infections. CDC is not recommending that consumers avoid any particular food at this time. Restaurants and retailers are not advised to avoid serving or selling any particular food. CDC will provide more information as it becomes available.

As of April 9, 2018, 17 people infected with the outbreak strain of E. coli O157:H7 have been reported from 7 states. A list of the states and the number of cases in each can be found on the Case Count Map page. Illnesses started on dates ranging from March 22, 2018 to March 31, 2018. Ill people range in age from 12 to 84 years, with a median age of 41. Among ill people, 65% are female. Six ill people have been hospitalized, including one person who developed hemolytic uremic syndrome, a type of kidney failure. No deaths have been reported.