The U.S. Centers for Disease Control and Prevention is warning consumers not to eat romaine lettuce due to possible E.coli contamination.
Officials say if you have romaine lettuce in your home throw it away.
According to the CDC 13 people were hospitalized, including one person who developed hemolytic uremic syndrome, a type of kidney failure.
Wisconsin is one of the 11 states with a reported case.
No deaths have been reported.