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

The frozen supplemental drinks have been linked to an outbreak of listeria that has killed at least 11 people and hospitalized 37.

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.