The outbreak has been linked to raw clover sprouts.
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U.S. health officials are investigating a multi-state E.coli outbreak linked to raw clover sprouts that have sickened as many as 10 people, half of whom required hospitalization, the Food and Drug Administration said on Thursday. No deaths have been reported.
As of May 21 there were seven confirmed and three probable cases of E. Coli illnesses, three in Idaho and seven in Washington state, the FDA said.
The FDA said it was investigating the outbreak in conjunction with the Centers for Disease Control and Prevention and state and local officials. The outbreak has been linked to raw clover sprouts from Evergreeen Fresh Sprouts LLC of Moyie Springs, Idaho.