An outbreak tied to listeria infections has been reported in 21 states, including Alabama, with 37 hospitalizations and 11 deaths nationwide.

The Food and Drug Administration recalled nutritional supplemental shakes tied to a deadly outbreak of listeria. The products were sold nationwide and primarily to hospitals and long-term care facilities.

Frozen shakes sold to nursing homes and other institutions are being recalled after a listeria outbreak in 21 states that has caused 11 deaths, according to the Federal Food and Drug Administration.