 At least two people have died and more than two dozen others have been hospitalized in an outbreak of Listeria food poisoning linked to meat sliced at grocery store deli counters. More details from correspondent Jackie Quinn. This Listeria outbreak is baffling health officials who know most of those sickened by the bacteria had eaten deli meat that was sliced at the grocery store deli counter. But there are no links yet on which store, which state, and what brand of cold cuts.