Chicken sold at dozens of supermarkets and restaurants across the US has been recalled for possible listeria contamination.

Tip Top Poultry Inc., of Rockmart, Georgia, issued the recall in September for frozen, cooked, diced, or shredded chicken, which was sold under various brands at stores including Trader Joe’s and Target.

The recall was expanded on Tuesday to dozens of additional chains, including Giant Supermarket, Kroger, Aldi, Food Lion, Harris Teeter, Bi-Lo, Piggly Wiggly, Kings Supermarket, and Jersey Mike’s.

In an alert issued on Tuesday, the US Department of Agriculture classified the recall as class 1, which the agency defines as “a health hazard situation where there is a reasonable probability that the use of the product will cause serious, adverse health consequences or death.”

Listeria monocytogenes can cause serious, and sometimes fatal, infections in young children, frail or elderly people, and others with weakened immune systems. Symptoms of infection include high fever, severe headache, stiffness, nausea, abdominal pain, and diarrhea.

Items affected by the recall were produced from January 21 through September 24. The recalled products include ready-to-eat sandwiches and several types of chicken salad, as well as frozen items, such as chicken pot pie sold by Trader Joe’s and butter-chicken spring rolls sold under Kroger’s Private Selection brand.

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Tip Top Poultry initiated the recall after “multiple samples of product produced by Tip Top Poultry, Inc. confirmed positive for the presence of listeria monocytogenes after being testedin Canada,” the USDA’s recall alert said.

There have been no confirmed reports of any illnesses related to the recalled products.