How Lettuce From One Factory Made 7,000 People Sick

Nearly 7,000 Americans in 27 states got sick from a parasite called Cyclospora. The source was pre-shredded iceberg lettuce, bagged at one Taylor Farms plant in Mexico and shipped to Taco Bell restaurants everywhere. Think of a river feeding many towns from one spring: one spot of contamination spread nationwide instantly through a single supply route.