Boar’s Head plant had dozens of violations, dubbed ‘listeria factory’ by lawyer Fox BusinessBoar’s Head Plant Tied to 9 Listeria Deaths Had Mold, Leaky Pipes and Flies The New York TimesThese are the Boar’s Head deli meats recalled amid the listeria outbreak The Washington PostWhat to know about the listeria outbreak that has left 57 sick, 9 dead ABC News