Broccoli packages sold at Walmart stores in 20 states have received an elevated recall status over a Listeria contamination that has potentially fatal consequences.

CDC officials exposure to listeria can cause of plethora of serious health problems, especially to children and elderly individuals who have weaker immune systems

The recall affects 12-ounce bags of the product, which were sold in 20 states and pose serious health risks if consumed.

In early January it was revealed that Walmart's washed and ready-to-eat 12 oz. Marketside Broccoli Florets were voluntarily recalled by Braga Fresh due to a possible contamination of Listeria monocytogenes. Although the item is no longer on shelves, consumers could still have bags in their freezer.