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

The Food and Drug Administration has issued an urgent warning about a listeria outbreak linked to meal supplement shakes served in hospitals and long-term care facilities, including those in Florida.

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

A listeria outbreak linked to frozen nutritional milkshakes is to blame for 12 deaths and dozens of hospitalizations, the U.S. Food and Drug Administration confirmed Monday following an investigation that spanned years.

The recent recall of frozen shakes due to a listeria outbreak has caused distress and concern among nursing home residents and healthcare professionals. The

A listeria outbreak due to supplement shakes has killed 12 people in 21 states, some of which are in states near Utah.