The answer is eggs. Hard-boiled eggs, to be precise. More than 1 million eggs bound for supermarkets, delis and convenience stores have been recalled since late January for possible contamination with listeria monocytogenes, a bacterium that causes fever, nausea and diarrhea, and can be deadly in children and the elderly. No illnesses have been reported.
But the fact that the suspect eggs have made their way into products in 34 states — from packaged egg salad sandwiches in Walgreens in California to garden salads at Wegmans stores in New York state — says a lot about the twisting paths that prepared foods can take on the way to the plate..."\