Over 40,000 pounds of packaged ground beef produced by Tyson Fresh Meats in Sherman, Texas, have been recalled as a result of possible E. coli O157:H7 contamination. The beef had been shipped to Wal-Mart stores in 12 states: Alabama, Arkansas, Colorado, Kansas, Kentucky, Louisiana, Mississippi, Missouri, New Mexico, Oklahoma, Tennessee, and Texas.

So far, no cases of E. coli food poisoning linked with the ground beef have been reported. The voluntary recall was announced after Tyson found evidence of the bacteria during inspection of product samples. The company noted that this recall is not connected with the recall of almost 6 million pounds of ground beef from the California-based United Food.

The Tyson ground beef was to be sold in pre-packaged trays. The establishment code on each product was “EST 244S, “