Salmonella Fast Food Listeria Deli Meats Onions Health Risks Vegetables Cucumbers Onion Contamination Meat Products E. coli Lettuce Onion Recall E. coli Outbreaks Eggs Canned Tuna E. Coli Contamination Pathogens Listeria monocytogenes Shellfish Chocolate Products Seafood Illnesses Norovirus Herbs and Spices Milk Rat Parts in Bread Fresh Produce Foodborne Illnesses Salad Contamination Salad Leaves Deli Meat Airline Meals Public Health Health Hazards Insects in Food Mold E. coli Contamination Sources of Contamination