Investigating foodborne illness is a really tough thing to do. It takes a lot of time, rarely follows a linear path and often is unsuccessful. It's not surprising, since the deck is stacked against the investigator.
One of the most troubling aspects of the ongoing outbreak in Europe is that it involves a strain of E. coli that often flies under the radar in the United States.
NEW YORK -- The conflicting claims over the source of the deadliest E. coli outbreak in living memory have not only confused consumers around the glob...