CLEVELAND, Ohio – Supplemental shakes that might have been contaminated with Listeria monocytogenes have been recalled. Lyons Magnus recalled the 4-ounce cartons of Lyons ReadyCare and Sysco Imperial frozen shakes after the products’ manufacturer, Prairie Farms Dairy Inc., recalled them from its Fort Wayne, Indiana, facility.

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

An outbreak of listeria infections linked with frozen supplemental shakes has made at least 38 people ill in 21 states, with 37 hospitalizations and 11 deaths, the US Food and Drug Administration said Friday.