Twenty-eight more illnesses have been attributed to the E. coli outbreak linked to romaine from Yuma, bringing the total to 149 cases.
Cases have been reported from 29 states. Sixty-four people have been hospitalized, including 17 people who have developed kidney failure. One person has died.
The most recent illness started April 25, according to the Centers for Disease Control and Prevention, which issued an update May 9.
The Minnesota Department of Health listed May 2 as the onset date of the most recent illness in the state in a news release May 8.
California remains the area most affected by the outbreak, with 30 illnesses reported. Twenty cases have been reported by Pennsylvania.
Interviews with ill people continue to indicate romaine, with 102 of the 112 people interviewed telling the CDC they ate it in the week before their illness began.
