USDA FSIS to Expand STEC Testing to Additional Raw Beef Products The U.S. Department of Agriculture Food Safety and Inspection Service (USDA FSIS) has announced plans to expand its routine verification testing for six Shiga toxin-producing Escherichia coli (STEC) (non-O157 STEC; O26, O45, O103, O111, O121, or O145) as well as O157:H7.  The expanded […]