A nationwide recall of frozen nutritional shakes has been issued after a listeria outbreak tied to the drinks resulted in multiple hospitalizations and deaths across the United States, according to the U.

A long-running listeria outbreak only recently linked to recalled frozen supplemental nutrition shakes has infected 38 people, killing 12, according to an update on Monday from federal and state health officials.

Twelve deaths have been reported as part of an outbreak of Listeria monocytogenes infections linked to frozen supplemental shakes, the US Food and Drug Administration said Monday. At least 38 people in 21 states had been infected,