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

The outbreak has infected 38 individuals, 37 of whom have been hospitalized, and 12 who have died A listeria outbreak linked to recalled frozen shakes has left 12 people dead, according to the U.S. Food and Drug Administration (FDA).

An ongoing Listeria outbreak has mostly affected people living in long-term care facilities and people who were already hospitalized prior to becoming sick from the infection.