The Failure Mode

The Meal Is Gone Before the Cluster Exists A multistate foodborne outbreak is not detected when people get sick. It is detected when a laboratory network notices that bacteria taken from several sick people look genetically alike. Those are two different events, separated by culturing, shipping, sequencing and upload, and the federal government publishes the interval between them rather than leaving it to inference. The CDC, Foodborne Outbreak Investigation Timeline walks the interval day by day for a bacterial illness. Day 1, a person eats food containing harmful bacteria. Day 3, symptoms start. Day 5, a healthcare provider collects a sample. Day 6, the clinical laboratory begins testing. Day 9, results identify the germ and go to the health department. The isolate then travels: shipping runs roughly Day 9 to Day 16, sequencing roughly Day 16 to Day 21, upload to CDC on Day 22, and a cluster is identified on Day 23. Each of those segments carries a qualifier on the same page, a...

A recall notice arrives as a single event: a brand, a lot code, a date range, a list of states. Inside the machinery that produces it, the notice is one of the last steps. Before a product can be named in public, several separate systems have to finish running, in order. A person's immune system, a clinical laboratory, a courier, a state public health laboratory, a national genomic database, a round of interviews, and finally a paper trail held by firms with no direct relationship to one another. The Centers for Disease Control and Prevention publishes an illustration of the first half of that sequence. In it, a person eats a contaminated food on Day 1, and the outbreak is identified on Day 23. That interval is not a measure of effort. It is a sum of waiting periods belonging to different institutions, none of them working to a shared deadline. What the First Nine Days Consume In CDC's published timeline, nothing in the first nine days is decided by a food company or by...