The spread of listeria in the United States. out of Boars Head's facility in Virginia, which has killed several and hospitalized dozens, first showed an "imminent" threat two years before the outbreak,

Between Sept. 27 and Oct. 4, 2022, inspectors detailed food residue on the floor of the liverwurst room, live beetles in a hallway, and thick product buildup on equipment, among other violations. “Dirt, screws, and trash were observed on the floor of the production area,” the document said.