A laboratory technician counts isolated Escherichia coli bacteria at the Bulgarian Food Safety Agency's micro biological laboratory in Sofia, Bulgaria, Friday, June 10, 2011. German vegetablescaused ... more 
A laboratory technician counts isolated Escherichia coli bacteria at the Bulgarian Food Safety Agency's micro biological laboratory in Sofia, Bulgaria, Friday, June 10, 2011. German vegetablescaused E. coli outbreak that has killed 29 people and sickened 3,000, investigators announced Friday after tracking the bacteria from patients in hospital beds to restaurants and then farm fields.(AP Photo/Oleg Popov) less 
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Associated Press | Photo By Oleg Popov
Fri, Jun 10, 2011 9:49 AM EDT