WHAT'S BUGGING ROGER STANGELAND

WAYNE, N.J. -- There was a time when the heads of supermarket chains didn't need to think about E. coli O157:H7, salmonella enteriditis or listeria monocytogenes.But that time has passed, probably forever.These days you can bet at least some big chain executives are losing sleep worrying about microbes breeding on the ground beef in their meat cases and the cold salads in their delis, waiting to be

WAYNE, N.J. -- There was a time when the heads of supermarket chains didn't need to think about E. coli O157:H7, salmonella enteriditis or listeria monocytogenes.

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