date:Aug 26, 2014
o retail stores for consumers to purchase.
The FSIS screens the samples using an initial test to identify the presence of E. coli, OQuinn added. If a sample initially tests positive, the FSIS sends the presumptive positive sample to a third party laboratory to conduct a confirmatory test. It isnt until after the product is confirmed positive for E. coli when FSIS investigations would start to traceback the raw materials that created that particular ground beef product.
The new investigation pr