Stew Leonard's Dairy Store announced Wednesday that it is voluntarily recalling 245 pounds of deli ham that may contain listeria monocytogenes. Eating food contaminated with listeria monocytogenes can cause high fever, severe headaches, neck stiffness, abdominal pain, nausea and diarrhea. The infection may be more serious or even fatal among young children, frail or elderly people, or those with weak immune systems. Stew Leonard's said it was recalling Canadian Brand Maple Ham, produced by Russer Foods, that may contain listeria monocytogenes. There have been no illnesses associated with the product and Russer issued the recall as a cautionary measure, store...