date:Aug 14, 2014
new procedures, FSIS will conduct immediate investigations of businesses whose ground beef tests positive for E. coli O157:H7 during initial testing, and at suppliers that provided source materials.
In the past, FSIS began investigations at the grinding facility only after a presumptive positive test result was confirmed, which can take two days. Tracing E. Coli outbreaks back to their source could have taken 30 days, USDA added.
A critical component of preventing foodborne illness is quickly