Perfect Pasta, an Illinois-based firm, 315 pouis recalling nds of ready-to-eat roast beef products due to possible Listeria monocytogenes contamination, according to the US Department of Agriculture’s Food Safety and Inspection Service (FSIS).

The products subject to recall include 5lb. packs of 'Gina Fully Cooked Roast Beef With Seasoned Juice' with a lot code of '040615RB' and a pack date of '02-06-13.'

These products bear the establishment number 'EST. 19829' inside the USDA mark of inspection. They were produced on 6 February 2013, and distributed to institutions in Chicago.

The problem was identified by FSIS through microbiological testing by the Agency.

FSIS and the company have received no reports of illnesses due to consumption of these products. Customers concerned about an illness are advised to contact a healthcare provider.

Consumption of products containing Listeria monocytogenes can cause serious and sometimes fatal infection in young children, frail or elderly people, and others with weakened immune systems.