1994
- Salmonella in ice cream from Schwan's Sales Enterprises of Marshall, Minnesota. The outbreak was confirmed to have sickened 740 people in 30 states and is suspected to have sickened over 3,000 additional people in as many as 41 states. The contamination occurred when raw, unpasteurized eggs were hauled in a tanker truck that later carried pasteurized ice cream to the Schwan's plant. The ice cream premix wasn't pasteurized again after delivery to the plant.
Read more about this topic: List Of Foodborne Illness Outbreaks In The United States