Which innovative food safety tracking system was widely adopted by the produce industry following the 2006 spinach E. coli outbreak that caused 3 deaths and sickened over 200 people?

Food recalls can dramatically impact consumer confidence and reshape industry standards. The 2006 spinach E. coli outbreak was one of the most significant food safety events in recent history, leading to nationwide recalls and transforming food safety protocols across the United States. Test your knowledge about this pivotal food safety case that changed how produce is tracked, tested, and distributed throughout America's food supply chain.

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Blockchain-based digital ledgers
Produce Traceability Initiative (PTI)
RFID microchip embedding in packaging
DNA barcoding for leafy greens