BERLIN (AP) -- 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....
By DAVID RISING and MIKE STOBBE, Associated Press: Nation
Wed, 06/01/2011 - 3:23pm
BERLIN (AP) -- 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....