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,

Recalled supplemental shakes were distributed to hospitals and long-term care facilities nationwide, federal officials say.

A deadly listeria outbreak linked to frozen supplemental shakes has prompted a nationwide recall after infecting 38 people, including 12 who died, the FDA reported on Monday. The shakes, manufactured by Prairie Farms Dairy in Fort Wayne,