The Boar’s Head deli meats that were recalled last week after Listeria was detected in them have officially been linked to a multi-state outbreak that has left two people dead, including one person in New Jersey, health officials announced Tuesday. Listeria was detected in an unopened package of liverwurst in an unidentified store in Maryland , health officials said. Further testing showed the sample collected by the Maryland Department of Health tested positive for the outbreak strain of Listeria, according to the U.S. Department of Agriculture. Boar’s Head is now recalling approximately 7 mi…