Freeze-dried fruit packs sold at Sam’s Club are being recalled in 43 states due to possible listeria contamination. Customers urged not to eat them.

Doehler Dry Ingredient Solutions, LLC recalled Member’s Mark Freeze Dried Fruit Variety Pack 15-count boxes over possible listeria contamination.

Listeria monocytogenes [is] an organism which can cause serious and sometimes fatal infections in young children, frail or elderly people, and others with weakened immune systems," the FDA said.