The outbreak, which includes at least 17 people in 13 states, began last August.
There are no confirmed reports of illness linked to the recall.
The CDC also said nine more cases were reported since a July 31 release about the outbreak, which started in late May.
The USDA said a sample of Boar's Head liverwurst from a Maryland store tested positive for listeria.
Spain has issued international health alerts in light of a widening outbreak of listeria from pork meat that has affected 150 people and killed one person.
The United States Department of Agriculture (USDA) Food and Safety Inspection Service says there's been a recall of Tip Top Poultry products that may have been contaminated with Listeria.
The US Food and Drug Administration (FDA) says there's been a recall of Sprouts Farmers Market frozen cut leaf spinach due to potential contamination.
More than 252,000 pounds of frozen burritos are being recalled because of possible listeria contamination.
The FDA announced Saturday that Sabra Dipping Company is recalling certain hummus products due to concerns over Listeria monocytogenes.
Federal regulators say they're now aware of 10 listeria illnesses linked to ice cream and other products made by Texas-based Blue Bell Creameries over the last five years.