FSIS and the CDC are currently studying these illnesses. While the study is ongoing, Cargill is recalling the products based on a preliminary analysis of epidemiological data. Anyone concerned about an illness should contact a physician. Consumption of food contaminated with Listeria monocytogenes can cause listeriosis, an uncommon but potentially fatal disease. Healthy people rarely contract listeriosis.
Listeriosis can cause high fever, severe headache, neck stiffness, and nausea.