"A major fast-food chain was forced to stop selling salads in 14 states after cyclospora contamination was linked to its produce, an incident that spotlighted risks associated with pre-packaged fresh items; the chain also appears in discussions of large, centralized sourcing models that contrast with decentralized supply chains at some fast-casual brands. It was also cited as an example of a company where third-party training and audits are relevant for improving food-safety practices." - Brenna Houck