World News | Associated Press | Thursday June 2, 2011
European health officials tracking one of the worst E. coli outbreaks on record might never know where it came from. It's a sad fact of life in food poisoning cases: There often is no smoking gun.The germ has sickened more than 1,500 people, mostly in Germany. Most patients who have been interviewed said they ate lettuce, tomatoes or cucumbers, but...
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