Largest Cyclosporiasis Outbreak in U.S. Declared Over by Health Authorities
By Editor • September 11, 2026 • 1 min read
The Centers for Disease Control and Prevention (CDC) announced the conclusion of the largest recorded cyclosporiasis outbreak in the United States, which has sickened nearly 13,000 individuals across 21 states. The outbreak, primarily linked to contaminated iceberg lettuce, has prompted scrutiny of food safety regulations and traceability measures.
With a total of 12,883 reported cases, the outbreak saw 570 hospitalizations and resulted in two fatalities. Symptoms typically manifest about a week after exposure but can appear as early as two days or as late as two weeks. Common symptoms include watery diarrhoea, stomach cramps, and extreme fatigue.
Source of Contamination Identified
The CDC traced the contaminated lettuce back to Taylor Farms de Mexico, which promptly recalled all iceberg lettuce sourced from the region on July 17. The outbreak initially gained attention due to lettuce served at Taco Bell, but further investigations linked it directly to Taylor Farms, a supplier for various restaurants and retailers across the country.
Impact and Ongoing Investigations
At the outbreak's peak, daily infection reports exceeded 1,000. However, by August, cases dwindled to fewer than two per day on average. Michigan was the most affected state, accounting for both fatalities. This outbreak is part of a troubling trend, with nearly 20,000 laboratory-confirmed cyclosporiasis cases reported nationwide since May 1, a figure significantly higher than in previous years.
In response to the outbreak, the FDA has completed inspections and sample collections at the implicated farms in Mexico, though results are still pending. The agency’s inspection capabilities have been called into question, especially as inspections of foreign food facilities have declined significantly in recent years. This outbreak has raised alarms regarding the efficacy of current food safety protocols and the need for improved traceability of high-risk foods.
Source: www.aljazeera.com
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