How to Fix Food Traceability Before 2028
Bruce Welt argues that replacing burdensome Key Data Elements with an automated network of Critical Tracking Events could speed outbreak tracebacks while reducing data-sharing burdens.
This past summer’s cyclospora outbreak sent ripples through the supply chain and underscored the challenges of foodborne illness investigations. Public health officials were once again buried under mountains of data, trying to trace contaminated produce before physical evidence vanished.
This familiar crisis follows a telling regulatory retreat. Earlier this year, Congress pushed mandatory enforcement of the U.S. Food and Drug Administration’s (FDA’s) Food Safety Modernization Act (FSMA) Section 204 Food Traceability Rule to July 20, 2028, citing “industry readiness.” But the real diagnosis is design failure: We built a traceability framework too heavy to move in an emergency.
By pairing Critical Tracking Events (CTEs) with an endless list of Key Data Elements (KDEs), regulators asked the food industry to log every detail about every leaf on every tree before assembling a map of the forest.
It is time to eliminate KDEs altogether. The case for killing KDEs is this: Traceability is fundamentally a network logistics problem, not a quality control exercise.
Mandating that every facility continuously log and format granular KDEs, such as harvest coordinates, crew identifiers, storage temperatures, etc., at every hand off creates immense friction without delivering speed. Worse, static KDE lists are both too heavy for non-crisis operations and too narrow during an actual crisis.
Investigators never rely on a fixed checklist when investigating an outbreak; they request specific, detailed internal records based on what the evidence demands.
We must decouple logistics from forensics. The sole job of the traceability system should be answering one question at blinding speed: Where did contamination enter the supply chain?
If we strip away KDEs and focus exclusively on standardized, automated CTEs, capturing only item identification, location, and timestamp (“What? Where? When?”), we can build an agile, privacy-preserving network.
Consider one simple example of how this could work: a federated “ping-and-query” architecture. Each supply chain node maintains its own lightweight CTE event server. During an outbreak, authorized health officials ping the network with a single query: “Have you handled item X?”
Nodes that respond affirmatively automatically return only the immediate upstream and downstream event links. The system recursively queries the next tier back, tracing product paths across the country in seconds. Until convergence is identified, no proprietary commercial data is exposed, and no centralized government database is required. Everyone maintains ownership and control of their own event data.
Under this streamlined model, data sharing during the traceback phase is minimal, fast, and completely automated. The approach is one of targeted forensics, not blanket surveillance.
Only when the automated CTE network exposes a point of convergence, a specific processing facility, distributor, or field, do investigators initiate targeted forensic requests. At that stage, authorities request any records needed: environmental swabs, sanitation logs, shift rosters, temperature profiles, lot numbers, etc.
Uninvolved supply chain partners are spared from burdensome routine data reporting, while implicated facilities face fast and precise scrutiny.
The 2028 delay buys us time, but only if we use it to correct our foundational approach. Attempting to digitize dozens of KDE fields across millions of handoffs will lead to the exact same failure in 2028.
To chart a new path, the FDA and IFT should convene a specialized expert panel not composed solely of food safety professionals, but one that brings together experts in enterprise IT, logistics systems, distributed databases, and cryptography. This panel would be charged with evaluating options and recommending a CTE architecture that works for both industry and government.
The federated ping-and-query system described here is merely one straightforward example of what is possible once we abandon the KDE dragnet. It is time to bring in the system architects, focus on building an automated CTE network, and give investigators the speed we all need.
The opinions expressed in Dialogue are those of the author.
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Author
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Bruce Welt University of Florida / Institute of Food and Agricultural Sciences
Bruce Welt, PhD, is professor, packaging engineering, in the Department of Agricultural and Biological Engineering, University of Florida/Institute of Food and Agricultural Sciences (bwelt@ufl.edu).
Categories
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Food Safety
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Food Traceability
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Pathogens
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Food Laws and Regulations
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Foodborne Illness
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Food Technology Magazine
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Dialogue