Deadly Lettuce Outbreak Rocks US: 12,883 Sick, Hundreds Hospitalised
A major foodborne illness outbreak linked to iceberg lettuce in the United States has sickened 12,883 people, hospitalised 570 and killed two, according to the US Food and Drug Administration (FDA).
The outbreak was linked to Cyclospora, a parasite that causes intestinal infections. Investigators identified iceberg lettuce sourced from central Mexico by Taylor Farms de Mexico as the implicated product.
The FDA said the company began voluntarily withdrawing affected lettuce products from the US market on July 17, 2026, following the discovery of a link between the produce and the outbreak.
The recall covered selected Marketside-branded iceberg salads and shredded lettuce sold at some Walmart stores, as well as products distributed to food-service businesses across several American states.
Affected products included 12-ounce and 24-ounce iceberg salads, alongside eight-ounce and 16-ounce shredded lettuce packages carrying specified best-before dates between July 18 and August 3, 2026.
According to the FDA, the listed dates have passed, and the recalled products should no longer be available in shops or restaurants. The agency has officially closed its investigation.
However, the regulator said it would continue providing updates on post-outbreak activities as authorities address issues arising from the contamination and its impact on public health.
The scale of the outbreak has raised concerns about food safety and the difficulties of tracing contaminated produce as it moves through complex supply chains involving growers, distributors, retailers and restaurants.
Cyclospora infection, medically known as cyclosporiasis, affects the intestines and can cause persistent diarrhoea, loss of appetite, weight loss, abdominal cramps, bloating, nausea and fatigue.
Some infected people may experience no noticeable symptoms, while others can develop prolonged illness. Symptoms may also appear to improve before returning, making the infection difficult to manage.
The FDA warned that complications could include dehydration, particularly when diarrhoea persists. People with weakened immune systems may experience more severe symptoms or suffer from the illness for longer periods.
The affected lettuce reached food-service customers across numerous American states. Selected Walmart stores also received the recalled Marketside products, with distribution potentially extending beyond confirmed locations.
Consumers who purchased or received the affected lettuce were advised not to eat it. They should also thoroughly clean and sanitise surfaces, utensils and containers that may have come into contact with the products.
The outbreak highlights the challenges regulators face in tracing contaminated food distributed across several states and multiple businesses. Identifying a supplier is important, but communicating recall information quickly is equally critical.
Although the investigation has ended, the reported figures reveal the scale of the incident, with thousands of illnesses, hundreds of hospitalisations and two deaths linked to the outbreak.
The FDA said further information about its post-outbreak response would be made available as updates emerged.
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