Garden Fresh Foods, the same firm that recalled over 19,000 lbs. of ready-to-eat chicken and ham products last month has expanded the recall to include another 6,694 lbs. of product due to possible contamination by Listeria monocytogenes, the U.S. Department of Agriculture’s Food Safety and Inspection Service (FSIS) announced on Wednesday.

The additional meats are being recalled after microbial testing and other food safety assessments conducted by the FSIS found that additional products could be contaminated. These products have the establishment numbers “EST. 17256” and “Est. P-17256” inside the USDA mark of inspection. The meats were produced between Oct. 10 and Oct. 15, 2013. The foods were distributed nationwide and include brands such as Weis, Finest Traditions, Archer Farms, and D’Amico and Sons. You can see the full list of recalled foods here.

The bacterium Listeria monocytogenes cause a serious infection Listeriosis, which can result in diarrhea, fever, stiff neck, vomiting, and confusion. Older adults, pregnant women (who become at risk for miscarriage), newborns, and adults with compromised immune systems are most at risk for infection, according to the Centers for Disease Control and Prevention.

To prevent infection, the FSIS recommends:

  • Wash hands with warm, soapy water before and after handling raw meat and poultry for at least 20 seconds. Wash cutting boards, dishes and utensils with hot, soapy water. Immediately clean spills.
  • Keep raw meat, fish and poultry away from other food that will not be cooked. Use separate cutting boards for raw meat, poultry and egg products and cooked foods.
  • Do not eat hot dogs, luncheon meats, bologna or other deli meats unless reheated until steaming hot.
  • Do not eat refrigerated paté, meat spreads from a meat counter or smoked seafood found in the refrigerated section of the store. Foods that don't need refrigeration, like canned tuna and canned salmon, are safe to eat. Refrigerate after opening.
  • Do not drink raw (unpasteurized) milk and do not eat foods that have unpasteurized milk in them.
  • Do not eat salads made in the store such as ham salad, chicken salad, egg salad, tuna salad or seafood salad.
  • Do not eat soft cheeses such as Feta, quesco blanco, quesco fresco, Brie, Camembert cheeses, blue-veined cheeses and Panela unless it is labeled as made with pasteurized milk.
  • Use precooked or ready-to-eat food as soon as you can. Listeria can grow in the refrigerator. The refrigerator should be 40° F or lower and the freezer 0° F or lower. Use an appliance thermometer to check the temperature of your refrigerator.