Frozen foods distributor Alimentos Congelados is issuing a voluntary recall on 1,800 cases of frozen broccoli bags sold to stores in Tennessee, Kentucky, Ohio, Indiana, West Virginia, Virginia, Florida, Georgia and Alabama.

The affected Frozen Broccoli Cuts were distributed in poly bags under the following label and code: WYLWOOD Fresh Frozen Broccoli Cuts, NET WT. 16 OZ (1 LB), UPC 5193300110, with bag code: A25335P and A15335P.

Tests on the broccoli came back positive for listeria, which can cause severe illness when consumed, especially for children, the elderly or anyone with a weakened immune system.

No illnesses have been reported so far. The FDA recommends throwing away or returning any products with the affected labeling.