The supplement shakes were sold to hospitals and long-term care facilities, including nursing homes. There is a nationwide recall for the ReadyCare and Sysco Imperial Frozen Supplemental Shakes. Twelve deaths associated with the listeria outbreak have been linked to the shakes.

The supplemental shakes are labeled under the brands Lyons ReadyCare and Sysco Imperial and were sold to institutional customers, including hospitals and long-term care facilities, officials said.

Frozen nutritional shakes given to hospital patients and long-term care residents have been recalled after they were linked to 11 deaths and dozens of serious illnesses — with the outbreak dating