U.S. Agriculture Department officials have launched an internal investigation into how the agency handled reports of serious problems tied to a deadly listeria outbreak at a Boar's Head deli meat plant in Virginia.

The deli meat company Boar's Head is being scrutinized by law enforcement officials over a deadly outbreak of listeria food poisoning.

A 10th person has died in an ongoing outbreak of listeria food poisoning tied to a now-closed Boar's Head deli meat plant in Virginia.

Boar’s Head is closing the Virginia plant tied to a deadly listeria outbreak.

An 88-year-old Missouri woman was among more than 40 people sickened with listeria food poisoning tied to a deadly outbreak involving Boar's Head deli meats.

The popular deli meat company Boar's Head is recalling an additional 7 million pounds of ready-to-eat products as an investigation into a deadly listeria outbreak continues.