" You may be taking a break from some of your favorite snacks lately, due to recent concerns over listeria bacteria in food products. Just this week, varieties of Blue Bell Ice Cream were recalled over listeria concerns, and earlier this month, Sabra Hummus was pulled from store shelves after a package in Michigan tested positive for the bacteria. Listeria is a food-borne, bacterial infection that most often is passed through unpasteurized dairy products and deli ...