A California meat supplier once again expanded a beef recall Saturday to include a total of 5.7 million pounds of both fresh and frozen products because they may be contaminated with E. coli, the U.S. Department of Agriculture’s Food Safety and Inspection Service announced.

United Food Group, LLC, already had announced two recalls, on June 3 and June 6. But a recent positive test for E. coli in a patient in Arizona pushed the company to expand the recall.

The tainted meat has sickened 14 people across the country — six in Arizona, three in California, two in Colorado, and one each in Idaho, Utah and Wyoming. All have recovered.

Click here for a list of the recalled products.

The products recalled were produced in the two-week period of April 6 to April 20 and were shipped to stores in Arizona, California, Colorado, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, Washington and Wyoming.

Meanwhile, Tyson Fresh Meats Inc. on Friday recalled more than 40,000 pounds of ground beef shipped to Wal-Mart stores in 12 states after samples tested at a Sherman, Texas, plant showed signs of E. coli contamination.

No illnesses had been reported. Springdale-based Tyson Foods Inc. said the recall is not related to contaminated ground beef distributed by California-based United Food Group LLC.

The recalled products were sent to Wal-Mart stores in Alabama, Arkansas, Colorado, Kansas, Kentucky, Louisiana, Mississippi, Missouri, New Mexico, Oklahoma, Tennessee and Texas, Tyson said.

Wal-Mart has removed the products from its meat cases and is destroying the recalled ground beef still in its possession, officials said.

Tyson recalled 40,440 pounds of ground beef, all of which had sell-by dates of June 13. The ground beef was sold in prepackaged trays that were placed directly into the meat case.

Those with questions may contact the consumer hotline for United Food Group at 1-800-325-4164; those who bought ground beef from Wal-Mart may call the Tyson Consumer hotline at 1-800-233-6332; and the Wal-Mart toll-free number is 1-800-925-6278.