Listeriosis is an illness caused by bacteria that can occur in unpasteurized milk and soft cheese and prepared and uncooked meats, poultry, and shellfish. When a pregnant woman is infected, the disease can cause miscarriage or stillbirth.
Do not eat the following foods:
• unpasteurized milk or soft cheeses
• raw or undercooked meat, poultry, or shellfish
• prepared meats, such as hot dogs or deli meats, unless they are heated until steaming hot