Lettuce contamination sickens thousands across 20 states, prompting broader federal probe

Federal health agencies have confirmed cyclospora infections in 20 states, with over 11,400 cases and nearly 500 hospitalizations. The outbreak has been traced to iceberg lettuce from a Mexican processing plant operated by Taylor Farms, which issued a recall. Two fatalities have been reported in Michigan.

The outbreak’s scale now exceeds the previous U.S. record from 2019 by more than double, with onset dates spanning two months. Federal investigators remain stationed at the Mexican processing facility and surrounding fields, coordinating with local authorities to trace contamination routes. The FDA has stated that all recalled lettuce has been pulled from shelves, and the product’s best-by dates have already lapsed, reducing immediate consumer risk. However, the parasite’s incubation period and the difficulty of tracking individual exposures mean the true case count may be underreported, as many infected people never seek medical care or testing.

Cyclosporiasis is typically seasonal, peaking in late spring and summer, and is spread through food or water tainted with human feces. While most cases resolve without treatment, the infection can cause severe, prolonged diarrhea, particularly in vulnerable populations. The current outbreak’s hospitalization rate—roughly 4.3% of confirmed cases—highlights the strain on healthcare systems in affected states, especially as public health resources are already stretched by ongoing disease surveillance efforts.