Fred Harteis Health News - Taco Bell announced Saturday tests have ruled out all its ingredients except one — scallions — as a possible source of a harsh strain of E. coli that has sickened more than 60 people in the Northeast.

The green onions had been pulled from the company's 5,800 restaurants nationwide on Wednesday after it said preliminary tests showed scallion samples contained the E. coli strain, and it no longer plans to sell them, said Rob Poetsch, a spokesman for the Irvine, Calif.-based company.

Poetsch said samples ...   more »