Schools in at least 16 U.S. states and the District of Columbia may have been sent contaminated meat products.

The USDA has listed over 150 schools that may be impacted by a massive poultry and beef recall over listeria concerns.

A recall of ready-to-eat meat and poultry items made by BrucePac has been expanded to include nearly 1.8 million pounds of additional products, for a total of more than 11.7 million pounds of products recalled over possible listeria contamination,

Two Chicago area family centers received shipments of meat products that could be contaminated with listeria. The U.S. Department of Agriculture listed about 200 cafeterias across the country that could be affected.

Nearly 200 schools across the country received shipments of ready-to-eat meat products that have been recalled over possible listeria contamination, according to the U.S. Food and Drug Administration.

The U.S. Department of Agriculture’s Food Safety and Inspection Service said over 12 million pounds of ready-to-eat meat and poultry products were recalled over Listeria concerns. The USDA said the items were produced from May 31,