Possible listeria contamination has prompted the recall of some potato products by the Giant Food and Stop & Shop chains.

They’ve recalled 20 oz. bags of Simply Potatoes Shredded Hash Browns, Simply Potatoes Homestyle Slices and Simply Potatoes Red Potato Wedges.

Northern Star Co., a subsidiary of food processor Michael Foods Inc. is the makes the spuds. They have "use by" dates on their packages ranging from March 29 to April 3, 2009.

Listeria monocytogenes is a bacteria that can cause flu-like symptoms, such as high fever, severe headache, neck stiffness and nausea. The bacteria can be very damaging for pregnant women or those with weakened immune systems.

Customers who have purchased these products should discard any unused portions and bring the receipts to their stores for a full refund.Stop & Shop operates stores in Massachusetts, Connecticut, Rhode Island, New Hampshire, New York, New Jersey and Maine. Giant Food operates 182 supermarkets in Virginia, Maryland, Delaware, and the District of Columbia.